DS03A-NB -- NB-IoT Door Sensor User Manual

The Dragino DS03A-NB is a (% style="color:blue" %) **NB-IoT Door Sensor**(%%) for Internet of Things solution. It (% style="color:blue" %)**detects door open/close status**(%%) and uplinks to IoT server via NB-IoT network. user can see the door status, open duration, open counts in the IoT Server.

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The DS03A-NB will send periodically data every 2 hours as well as for each door open/close action. It also counts the door open times and calculates the last door open duration. Users can also disable the uplink for each open/close event, instead, DS03A-NB can count each open event and uplink periodically.

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DS03A-NB supports (% style="color:blue" %)**Datalog Feature,** (%%)it can save the data when there is no NB-IoT network and uplink when network recover.

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DS03A-NB has the (% style="color:blue" %)**Open Alarm Feature**,(%%) user can set this feature so the device will send an alarm if the door has been open for a certain time.

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DS03A-NB is designed for outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures

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DS03A-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.

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DS03A-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.

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DS03A-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to several years.

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DS03A-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.

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[[image:image-20231011093807-6.png||height="278" width="879"]]

== 1.2 Features ==

* NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD

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* Ultra-low power consumption

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* Door Open/Close detect

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* Door open/close statistics

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* Datalog Feature

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* Open Alarm Feature

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* Multiply Sampling and one uplink

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* Support Bluetooth v5.1 remote configure and update firmware

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* Uplink on periodically

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* Downlink to change configure

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* 8500mAh Battery for long term use

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* Nano SIM card slot for NB-IoT SIM

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== 1.3 Specification ==

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(% style="color:blue" %)**Common DC Characteristics:**

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* Supply Voltage: 2.5v ~~ 3.6v

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* Operating Temperature: -40 ~~ 85°C

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(% style="color:blue" %)**NB-IoT Spec:**

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(% style="color:#037691" %)**NB-IoT Module: BC660K-GL**

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(% style="color:#037691" %)**Support Bands:**

* B1 @H-FDD: 2100MHz

* B2 @H-FDD: 1900MHz

* B3 @H-FDD: 1800MHz

* B4 @H-FDD: 2100MHz

* B5 @H-FDD: 860MHz

* B8 @H-FDD: 900MHz

* B12 @H-FDD: 720MHz

* B13 @H-FDD: 740MHz

* B17 @H-FDD: 730MHz

* B18 @H-FDD: 870MHz

* B19 @H-FDD: 870MHz

* B20 @H-FDD: 790MHz

* B25 @H-FDD: 1900MHz

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* B28 @H-FDD: 750MHz

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* B66 @H-FDD: 2000MHz

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* B70 @H-FDD: 2000MHz

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* B85 @H-FDD: 700MHz

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(% style="color:blue" %)**Battery:**

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* Li/SOCI2 un-chargeable battery

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* Capacity: 8500mAh

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* Self Discharge: <1% / Year @ 25°C

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* Max continuously current: 130mA

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* Max boost current: 2A, 1 second

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(% style="color:blue" %)**Power Consumption**

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* STOP Mode: 10uA @ 3.3v

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* Max transmit power: 350mA@3.3v

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(% class="wikigeneratedid" id="H1.4Ratedenvironmentalconditions" %)

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(% style="display:none" %) (%%)

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== 1.4 Applications ==

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS03A%20-%20Outdoor%20LoRaWAN%20OpenClose%20Door%20Sensor%20Manual/WebHome/1654741400370-813.png?rev=1.1||alt="1654741400370-813.png"]]

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== 1.5 Sleep mode and working mode ==

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(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any NB-IoT activate. This mode is used for storage and shipping to save battery life.

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(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as NB-IoT Sensor to Join NB-IoT network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.

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== 1.6 Button & LEDs ==

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[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]

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(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

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|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width:225px;background-color:#4F81BD;color:white" %)**Action**

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|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((

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If sensor has already attached to NB-IoT network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.

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Meanwhile, BLE module will be active and user can connect via BLE to configure device.

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|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((

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(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to attach NB-IoT network.

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(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.

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Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device attach NB-IoT network or not.

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|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.

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(% style="color:red" %)**Note: When the device is executing a program, the buttons may become invalid. It is best to press the buttons after the device has completed the program execution.**

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== 1.7 BLE connection ==

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DS03A-NB support BLE remote configure and firmware update.

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BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:

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* Press button to send an uplink

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* Press button to active device.

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* Device Power on or reset.

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If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.

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== 1.8 Pin Definitions & Switch ==

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[[image:image-20230819104805-5.png]]

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=== 1.8.1 Jumper JP2 ===

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Power on Device when put this jumper.

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=== 1.8.2 BOOT MODE / SW1 ===

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**1)** (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.

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**2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug

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=== 1.8.3 Reset Button ===

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Press to reboot the device.

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(% style="display:none" %)

== 1.9 Mechanical ==

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]]

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]]

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]]

**Probe Mechanical:**

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS03A%20-%20Outdoor%20LoRaWAN%20OpenClose%20Door%20Sensor%20Manual/WebHome/1654741444887-479.png?width=513&height=399&rev=1.1||alt="1654741444887-479.png"]]

== 1.10 Magnet Distance ==

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* Wood Door: 10mm ~~ 30mm

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* Iron Door: 30 ~~ 45mm

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= 2. Use DS03A-NB to communicate with IoT Server =

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== 2.1 Send data to IoT server via NB-IoT network ==

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The DS03A-NB is equipped with a NB-IoT module, the pre-loaded firmware in DS03A-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by DS03A-NB.

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Below shows the network structure:

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-NB_NB-IoT_Door_Sensor_User_Manual/WebHome/image-20231011093807-6.png?width=879&height=278&rev=1.1||alt="image-20231011093807-6.png"]]

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There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DS03A-NB.

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(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DS03A-NB send data to IoT server.

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* Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]].

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* Set up sensor to point to IoT Server. See instruction of [[Configure to Connect Different Servers>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.Configuretoconnecttodifferentservers]].

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Below shows result of different server as a glance.

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(% border="1" cellspacing="4" style="width:515px" %)

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|(% style="background-color:#4f81bd; color:white; width:100px" %)**Servers**|(% style="background-color:#4f81bd; color:white; width:300px" %)**Dash Board**|(% style="background-color:#4f81bd; color:white; width:115px" %)**Comments**

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|(% style="width:127px" %)[[Node-Red>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.5A0Node-RedA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-8.png||height="183" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[DataCake>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-9.png||height="119" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[Tago.IO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.7A0Tago.ioA028viaA0MQTT29]]|(% style="width:385px" %) |(% style="width:170px" %)

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|(% style="width:127px" %)[[General UDP>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.1GeneralA0UDPA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)

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|(% style="width:127px" %)[[General MQTT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.2GeneralA0MQTTA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)

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|(% style="width:127px" %)[[ThingSpeak>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.3A0ThingSpeakA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-10.png||height="104" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[ThingsBoard>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.6A0ThingsBoard.CloudA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-11.png||height="141" width="367"]]

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)))|(% style="width:170px" %)

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(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DS03A-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].

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== 2.2 Payload Types ==

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To meet different server requirement, DS03A-NB supports different payload type.

**Includes:**

* [[General JSON format payload>>||anchor="H2.2.1GeneralJsonFormat28Type3D529"]]. (Type=5)

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* [[HEX format Payload>>||anchor="H2.2.2HEXformatPayload28Type3D029"]]. (Type=0)

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* [[ThingSpeak Format>>||anchor="H2.2.4ThingSpeakPayload28Type3D129"]]. (Type=1)

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* [[ThingsBoard Format>>||anchor="H2.2.3ThingsBoardPayload28Type3D329"]]. (Type=3)

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User can specify the payload type when choose the connection protocol. Example:

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(% style="color:#037691" %)**AT+PRO=2,0** (%%) ~/~/ Use UDP Connection & hex Payload

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(% style="color:#037691" %)**AT+PRO=2,5** (%%) ~/~/ Use UDP Connection & Json Payload

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(% style="color:#037691" %)**AT+PRO=3,5 ** (%%) ~/~/ Use MQTT Connection & Json Payload

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=== 2.2.1 General Json Format(Type~=5) ===

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This is the General Json Format. As below:

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(% style="color:#4472c4" %)**{"IMEI":"866207058378443","Model":"DS03A-NB","flow":217,"battery":3.54,"signal":24,"1":{221,2023/09/20 09:47:01},"2":{0,2023/09/20 09:15:04},"3":{0,2023/09/20 09:00:04},"4":{0,2023/09/20 08:45:03},"5":{0,2023/09/20 08:30:03},"6":{0,2023/09/20 08:15:03},"7":{0,2023/09/20 08:00:04},"8":{0,2023/09/20 07:45:04}}**

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[[image:image-20230920175015-3.png||height="613" width="890"]]

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(% style="color:red" %)**Notice, from above payload:**

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* Distance , Battery & Signal are the value at uplink time.

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* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Water Flow, Sampling time.

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=== 2.2.2 HEX format Payload(Type~=0) ===

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This is the HEX Format. As below:

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(% style="color:#4472c4" %)**f8662070583784430b640dda15010003a4650abc400000650ab8180000650ab4940000650ab10f0000650aad8b0000650aaa070000650aa6840000650aa3000000650a9308**

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[[image:image-20231102094508-1.png||height="141" width="1012"]]

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[[image:image-20231102100109-2.png||height="117" width="1015"]]

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If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.

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[[image:image-20230920173352-2.png||height="636" width="919"]]

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(% style="color:blue" %)**Version:**

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These bytes include the hardware and software version.

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(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x12 for DS03A-NB

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(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 1.0.0

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(% style="color:blue" %)**BAT (Battery Info):**

Ex1: 0x0dda = 3546mV

(% style="color:blue" %)**Signal Strength:**

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NB-IoT Network signal Strength.

**Ex1: 0x15 = 21**

**0** -113dBm or less

**1** -111dBm

**2...30** -109dBm... -53dBm

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**31** -51dBm or greater

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**99** Not known or not detectable

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(% style="color:blue" %)**Timestamp: **

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Unit Timestamp Example: 650abc40(H) = 1695202368(D)

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Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]]) to get the time.

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=== 2.2.3 ThingsBoard Payload(Type~=3) ===

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Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.

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(% style="color:#4472c4" %)** {"IMEI": "866207058378443","Model": "DS03A","flow": 502,"battery": 3.57,"signal": 23}**

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[[image:image-20230922094043-2.png||height="558" width="851"]]

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=== 2.2.4 ThingSpeak Payload(Type~=1) ===

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This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~3 are:

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Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform

As below:

(% style="color:#4472c4" %)**field1=Flow value&field2=Battery value&field3=signal value**

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[[image:image-20230921104741-1.png||height="565" width="826"]]

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== 2.3 Uplink Payload ==

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=== 2.3.1 Sensor Configuration, FPORT~=4 ===

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DS03A-NB will only send this command after getting the downlink command **(0x26 02)** from the server.

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(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

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|(% colspan="8" style="background-color:#4f81bd; color:white; width:515px" %)**Sensor Configuration FPORT=4**

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|**Value**|(% style="width:75px" %)TDC (unit:sec)|(% style="width:77px" %)Disalarm|(% style="width:96px" %)(((

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Keep status1

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)))|(% style="width:99px" %)(((

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Keep time1(unit: sec)

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)))|(% style="width:87px" %)Keep status2|(% style="width:97px" %)(((

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Keep time2(unit: sec)

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)))|(% style="width:98px" %)(((

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Alarm interval(unit: min)

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)))

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Example parse in TTNv3

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230630155527-3.png?width=902&height=146&rev=1.1||alt="image-20230630155527-3.png"]]

* (((

(% style="color:blue" %)**TDC: (default: 0x001C20)**

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Uplink interval for the Open/Close Event, default value is 0x001C20 which is 7200 seconds = 2 hours.

* (((

(% style="color:blue" %)**Disalarm: (default: 0)**

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**If Disalarm = 1**, DS03A-NB will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse.

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**If Disalarm = 0**, DS03A-NB will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time.

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(% style="color:red" %)** Note: When Disalarm=0, a high frequently open/close event will cause lots of uplink and drain battery very fast. **

* (((

(% style="color:blue" %)**Keep Status1 & Keep Time1 & Keep Status2 & Keep Time2**

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)))

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Shows the configure value of [[Alarm Base on Timeout Feature>>||anchor="H2.9AlarmBaseonTimeout"]]

* (((

(% style="color:blue" %)**Alarm interval(default: 0)**

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)))

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When the state of the door sensor has not been changed after the timeout alarm, the device will send a uplink every alarm interval. It will stop the alarm until the state of the door sensor is changed after the timeout alarm.

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=== 2.3.2 Real-Time Open/Close Status, Uplink FPORT~=2 ===

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DS03A-NB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS03A-NB will send uplinks when:

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* Every 2 hours, this interval [[can be changed>>||anchor="H2.7SetTransmitIntervalTime"]].

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* There is an Open/Close event. (This info can be disabled by AT+DISALARM=1)

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**1) When (% style="color:blue" %)AT+TTRCHANNEL=1(%%), Uplink Payload totals (% style="color:blue" %)11 bytes. (Default mode)(%%)**

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(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

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|=(% colspan="5" style="background-color:#4F81BD;color:white;width:515px" %)**Real-Time Open/Close Status, FPORT=2**

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|(% style="width:95px" %)**Value**|(% style="width:97px" %)(((

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Status & [[Alarm>>||anchor="2.10TTRIG126TTRIG2timeoutstatusalarm"]]

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)))|(% style="width:95px" %)Total open door events|(% style="width:119px" %)(((

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The last door open duration (unit: sec)

452

)))|(% style="width:108px" %)Unix TimeStamp

**Status & Alarm:**

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

457

|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:60px" %)**[bit7:bit4]**|(% style="background-color:#4f81bd; color:white; width:80px" %)**bit3**|(% style="background-color:#4f81bd; color:white; width:100px" %)**bit2**|(% style="background-color:#4f81bd; color:white; width:120px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:105px" %)**bit0**

458

|(% style="width:76px" %)**Value**|(% style="width:96px" %)Reserve|(% style="width:110px" %)(((

459

Count mod

460

)))|(% style="width:106px" %)TDC flag 0:No;1:Yes|(% style="width:148px" %)(((

461

Alarm 0: No Alarm; 1: Alarm

462

)))|(% style="width:131px" %)(((

463

Status 0: Close; 1: Open

464

)))

465

466

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230630155451-2.png?width=928&height=246&rev=1.1||alt="image-20230630155451-2.png"]]

* (((

(% style="color:blue" %)**Count mod:Default=0**

471

)))

472

473

0: Uplink total open door times since factory

474

475

1: Uplink total open door times since last FPORT=2 uplink.

476

477

478

* (% style="color:blue" %)**TDC flag**

479

480

When the flag is 1, it means sending packets at normal time intervals.

481

482

Otherwise, it is a packet sent at non-TDC time.

* (((

(% style="color:#0000ff" %)**Alarm**

487

)))

488

489

See [[Alarm Base on Timeout>>||anchor="H3.3.3A0AlarmBaseonTimeout"]]

* (((

(% style="color:blue" %)**Status**

494

)))

495

496

This bit is 1 when the door sensor is open and 0 when it is close.

* (((

(% style="color:blue" %)**Total open door events**

501

)))

502

503

Total pulse/counting base on open door.

504

505

Range (3 Bytes) : 0x000000 ~~ 0xFFFFFF . Max: 16777215

* (((

(% style="color:blue" %)**The last door open duration**

510

)))

511

512

Door sensor last open duration.

Unit: sec.

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230701094042-1.png?width=763&height=154&rev=1.1||alt="image-20230701094042-1.png"]]

517

518

519

**2) When (% style="color:blue" %)AT+TTRCHANNEL=2(%%), Uplink Payload totals (% style="color:blue" %)18 bytes(%%)**(% style="color:blue" %).

520

521

(When the maximum DR of some frequencies is 11 bytes, it will cause the server to receive empty packets)

522

523

(% style="color:red" %)**Note:When using the AT+TTRCHANNEL=2 command, the Datalog function cannot be used.**

524

525

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

526

|=(% colspan="8" style="background-color:#4F81BD;color:white; width: 515px;" %)**Real-Time Open/Close Status, FPORT=2**

527

528

|(% style="width:95px" %)**Value**|(% style="width:97px" %)(((

529

Status1 & Alarm1

530

)))|(% style="width:95px" %)Total open door events1|(% style="width:125px" %)(((

531

The last door open duration1 (unit: sec)

532

)))|(% style="width:100px" %)Unix TimeStamp|(% style="width:86px" %)(((

533

Status2 & Alarm2

534

)))|(% style="width:96px" %)Total open door events2|(% style="width:126px" %)The last door open duration2 (unit: sec)

535

536

**Status1 & Alarm1:**

537

538

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:514px" %)

539

|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:60px" %)**[bit7:bit4]**|(% style="background-color:#4f81bd; color:white; width:70px" %)**bit3**|(% style="background-color:#4f81bd; color:white; width:100px" %)**bit2**|(% style="background-color:#4f81bd; color:white; width:117px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:117px" %)**bit0**

540

|(% style="width:76px" %)**Value**|(% style="width:96px" %)Reserve|(% style="width:99px" %)(((

541

Count mod

542

)))|(% style="width:103px" %)TDC flag 0:No;1:Yes|(% style="width:216px" %)(((

543

Alarm1 0: No Alarm; 1: Alarm (PA8 of pin)

544

)))|(% style="width:181px" %)(((

545

Status1 0: Close; 1: Open (PA8 of pin)

546

)))

547

548

**Status2 & Alarm2:**

549

550

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

551

|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:60px" %)**[bit7:bit2]**|(% style="background-color:#4f81bd; color:white; width:200px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:200px" %)**bit0**

552

|(% style="width:76px" %)**Value**|(% style="width:113px" %)Reserve|(% style="width:219px" %)(((

553

Alarm2 0: No Alarm; 1: Alarm (PA4 of pin)

554

)))|(% style="width:181px" %)(((

555

Status2 0: Close; 1: Open (PA4 of pin)

556

)))

557

558

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230630155908-6.png?width=927&height=295&rev=1.1||alt="image-20230630155908-6.png"]]

* (((

(% style="color:blue" %)**Count mod:Default=0**

563

)))

564

565

0: Uplink total open door times since factory

566

567

1: Uplink total open door times since last FPORT=2 uplink.

568

569

570

* (% style="color:blue" %)**TDC flag**

571

572

When the flag is 1, it means sending packets at normal time intervals.

573

574

Otherwise, it is a packet sent at non-TDC time.

* (((

(% style="color:#0000ff" %)**Alarm1 or Alarm2**

579

)))

580

581

See [[Alarm Base on Timeout>>||anchor="H2.9AlarmBaseonTimeout"]]

* (((

(% style="color:blue" %)**Status1 **(% style="color:#0000ff" %)**or **(% style="color:blue" %)**Status2**

586

)))

587

588

This bit is 1 when the door sensor is open and 0 when it is close.

* (((

(% style="color:blue" %)**Total open door events1 **(% style="color:#0000ff" %)**or**(% style="color:blue" %)** Total open door events2**

593

)))

594

595

Total pulse/counting base on open door.

596

597

Range (3 Bytes) : 0x000000 ~~ 0xFFFFFF . Max: 16777215

* (((

(% style="color:blue" %)**The last door open duration1 **(% style="color:#0000ff" %)**or**(% style="color:blue" %)** The last door open duration2**

602

)))

603

604

Door sensor last open duration.

Unit: sec.

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230701094042-1.png?width=763&height=154&rev=1.1||alt="image-20230701094042-1.png"]]

609

610

611

=== 2.3.3 Historical Door Open/Close Event, FPORT~=3 ===

612

613

614

DS03A-NB stores sensor values and users can retrieve these history values via the downlink command.

615

616

The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time open/close status.

617

618

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

619

|=(% colspan="5" style="background-color:#4F81BD;color:white;width:515px" %)**Real-Time Open/Close Status, FPORT=3**

620

621

|(% style="width:95px" %)**Value**|(% style="width:97px" %)(((

622

Status & [[Alarm>>||anchor="H2.9A0AlarmBaseonTimeout"]]

623

)))|(% style="width:95px" %)Total open door events|(% style="width:119px" %)(((

624

The last door open duration (unit: sec)

625

)))|(% style="width:108px" %)Unix TimeStamp

**Status & Alarm:**

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

630

|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:75px" %)**bit7**|(% style="background-color:#4f81bd; color:white; width:65px" %)**bit6**|(% style="background-color:#4f81bd; color:white; width:50px" %)**[bit5:bit4]**|(% style="background-color:#4f81bd; color:white; width:50px" %)**bit3**|(% style="background-color:#4f81bd; color:white; width:70px" %)**bit2**|(% style="background-color:#4f81bd; color:white; width:80px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:75px" %)**bit0**

631

632

Count mod

633

)))|(% style="width:95px" %)(((

634

TDC flag 0:No; 1:Yes

635

)))|(% style="width:116px" %)(((

636

Alarm 0: No Alarm; 1: Alarm

637

)))|(% style="width:112px" %)(((

638

Status 0:Close; 1: Open

)))

* (((

Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>||anchor="H2.3.2A0Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]], to save airtime and battery, DS03A-NB will send max bytes according to the current DR and Frequency bands.

643

)))

644

645

For example, in the US915 band, the max payload for different DR is:

646

647

(((

648

**~1. DR0**: max is 11 bytes so one entry of data

)))

(((

**2. DR1**: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)

)))

(((

**3. DR2**: total payload includes 11 entries of data

)))

(((

**4. DR3**: total payload includes 22 entries of data.

661

)))

662

663

If DS03A-NB doesn't have any data in the polling time. It will uplink 11 bytes of 0

664

665

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230630155556-4.png?width=938&height=146&rev=1.1||alt="image-20230630155556-4.png"]]

**Downlink:**

0x31 64 9E 7D 34 64 9E 7E 9C 05

**Uplink:**

45 00 00 00 00 00 00 64 9E 7D 48 40 00 00 00 00 00 63 64 9E 7D 9C 41 00 00 01 00 00 63 64 9E 7D A4 40 00 00 01 00 00 8D 64 9E 7E 31 43 00 00 02 00 00 8D 64 9E 7E 44 48 00 00 02 00 00 1F 64 9E 7E 59 4B 00 00 03 00 00 1F 64 9E 7E 6B

**Parsed Value:**

[COUNTMOD, TDC_FLAG, ALARM, DOOR_STATUS, OPEN_DOOR_TIMES, LAST_DOOR_OPEN_DURATION, TIME]

680

681

682

[SUM,YES,FALSE,OPEN,0,0,2023-06-30 06:59:20],

683

684

[SUM,NO,FALSE,CLOSE,0,99,2023-06-30 07:00:44],

685

686

[SUM,NO,FALSE,OPEN, 1,99,2023-06-30 07:00:52],

687

688

[SUM,NO,FALSE,CLOSE,1,141,2023-06-30 07:03:13],

689

690

[SUM,NO,TRUE,OPEN, 2,141,2023-06-30 07:03:32],

691

692

[PART,NO,FALSE,CLOSE,2,31,2023-06-30 07:03:53],

693

694

[PART,NO,TRUE,OPEN, 3,31,2023-06-30 07:04:11],

695

696

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS03A-LB/WebHome/image-20230630172740-1.png?width=868&height=199&rev=1.1||alt="image-20230630172740-1.png"]]

697

698

699

== 2.4 Test Uplink and Change Update Interval ==

700

701

702

By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8

703

704

User can use below commands to change the (% style="color:blue" %)**uplink interval**.

705

706

(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s

707

708

User can also push the button for more than 1 seconds to activate an uplink.

709

710

711

== 2.5 Multi-Samplings and One uplink ==

712

713

714

To save battery life, DS03A-NB will sample Water Flow data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:

715

716

* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)

717

718

* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.

719

720

The diagram below explains the relationship between TR, NOUD, and TDC more clearly:

721

722

[[image:1692424376354-959.png]]

723

724

725

== 2.6 Trggier an uplink by external interrupt ==

726

727

728

DS03A-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.

729

730

(% style="color:blue" %)**AT command:**

731

732

* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode

733

734

* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt

735

736

* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge

737

738

* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge

739

740

* (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge

741

742

== 2.7 Set Transmit Interval Time ==

(((

Feature: Change NB-IoT End Node Transmit Interval.

)))

(((

(% style="color:blue" %)**AT Command: AT+TDC**

751

)))

752

753

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

754

|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**

755

|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((

756

30000

757

OK

758

the interval is 30000ms = 30s

759

)))

760

|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((

761

OK

762

Set transmit interval to 60000ms = 60 seconds

)))

(((

(% style="color:blue" %)**Downlink Command: 0x01**

)))

(((

Format: Command Code (0x01) followed by 3 bytes time value.

)))

(((

If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.

)))

* (((

Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds

779

)))

780

* (((

781

Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds

)))

== 2.8 Enable / Disable Alarm ==

788

789

790

Feature: Enable/Disable Alarm for open/close event. Default value 0.

791

792

(% style="color:blue" %)**AT Command: **

793

794

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

795

|(% style="background-color:#4f81bd; color:white; width:153px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:276px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:86px" %)**Response**

796

|(% style="width:154px" %)AT+DISALARM=1|(% style="width:278px" %)End node will only send packets in TDC time.|OK

797

|(% style="width:154px" %)AT+DISALARM=0|(% style="width:278px" %)End node will send packets in TDC time or status change for door sensor|OK

798

799

(% style="color:blue" %)**Downlink Command: **

800

801

0xA7 01 ~/~/ Same As AT+DISALARM=1

802

803

0xA7 00 ~/~/ Same As AT+DISALARM=0

804

805

806

== 2.9 Alarm Base on Timeout ==

807

808

809

DS03A-NB can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are:

810

811

* (((

812

(% style="color:blue" %)**Keep Status: Status to be monitor**

813

)))

814

815

(% style="color:#037691" %)**Keep Status = 1**(%%): Monitor Close to Open event

816

817

(% style="color:#037691" %)**Keep Status = 0**(%%): Monitor Open to Close event

* (((

(% style="color:blue" %)**Keep Time: Timeout to send an Alarm**

822

)))

823

824

Range 0 ~~ 65535(0xFFFF) seconds.

825

826

If (% style="color:#037691" %)**keep time = 0**(%%), Disable Alarm Base on Timeout feature.

827

828

If (% style="color:#037691" %)**keep time > 0**(%%), device will monitor the keep status event and send an alarm when status doesn't change after timeout.

* (((

(% style="color:blue" %)**Downlink Command**

833

)))

834

835

(% style="color:#037691" %)**Command: 0xA9 aa bb cc dd**

836

837

**A9:** Command Type Code

838

839

**aa: **01:TTRIG1; 02:TTRIG2

840

841

**bb:** status to be monitored

**cc dd:** timeout.

**1) AT+TTRIG1 : (PA8 of pin)**

847

848

(% style="color:blue" %)**AT Command to configure:**

849

850

* (((

851

(% style="color:#037691" %)**AT+TTRIG1=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-NB will send an uplink packet, the Alarm1 bit(the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1.

852

853

(% style="color:#037691" %)**AT+TTRIG1=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-NB will send an uplink packet, the Alarm1 bit (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1.

)))

* (((

(% style="color:#037691" %)**AT+TTRIG1=0,0** (%%) **~-~-> ** Default Value, disable timeout Alarm.

)))

(% style="color:blue" %)**Downlink Command to configure:**

863

864

If user send 0xA9 01 01 00 1E: equal to AT+TTRIG1=1,30 **or** 0xA9 01 00 00 00: Equal to AT+TTRIG1=0,0.

865

866

867

**2) AT+TTRIG2 : (PA4 of pin,need to use AT+TTRCHANNEL=2)**

868

869

(% style="color:blue" %)**AT Command to configure:**

870

871

* (((

872

(% style="color:#037691" %)**AT+TTRIG2=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-NB will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1.

873

874

(% style="color:#037691" %)**AT+TTRIG2=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-NB will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1.

)))

* (((

(% style="color:#037691" %)**AT+TTRIG2=0,0** (%%) **~-~-> ** Default Value, disable timeout Alarm.

)))

(% style="color:blue" %)**Downlink Command to configure:**

884

885

If user send 0xA9 02 00 00 1E: equal to AT+TTRIG2=0,30 **or** 0xA9 02 00 00 00: Equal to AT+TTRIG2=0,0.

886

887

888

== 2.10 TTRIG1 & TTRIG2 timeout status alarm ==

889

890

891

It needs to be used with AT+TTRIG1 or AT+TTRIG2. When TTRIG1 or TTRIG2 times out and causes an alarm, and the status does not change subsequently, an alarm packet will be sent at the alarm interval.

892

893

(% style="color:blue" %)**AT Command:**

894

895

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

896

|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 279px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 76px;background-color:#4F81BD;color:white" %)**Response**

897

|(% style="width:155px" %)(((

898

AT+TTRALARM=0

899

)))|(% style="width:279px" %)(((

900

disable continuous alarm

901

)))|(% style="width:84px" %)(((

902

OK

903

)))

904

|(% style="width:155px" %)(((

905

AT+TTRALARM=60

906

)))|(% style="width:279px" %)(((

907

The alarm interval is 60 minutes (unit: minutes)

908

)))|(% style="width:84px" %)(((

OK

)))

(% style="color:blue" %)**Downlink Command:**

913

914

Example: 0C aa => AT+TTRALARM= aa

== 2.11 Count Mod ==

Feature: Manually set the count mode.

921

922

(% style="color:blue" %)**AT Command:**

923

924

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)

925

|=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 275px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**

926

|(% style="width:155px" %)(((

927

AT+COUNTMOD=0

928

)))|(% style="width:277px" %)(((

929

the count value keeps accumulating mode

930

)))|(% style="width:86px" %)(((

931

OK

932

)))

933

|(% style="width:155px" %)(((

934

AT+COUNTMOD=1

935

)))|(% style="width:277px" %)(((

936

the count value will be reset after each TDC time(Last Close Duration Reset after each uplink)

937

)))|(% style="width:86px" %)(((

OK

)))

(% style="color:blue" %)**Downlink Command:**

942

943

Example: 0B aa => AT+COUNTMOD = second byte

944

945

946

== 2.12 Number of channel of door sensors ==

947

948

949

Feature: Set the number of door sensor channels.

950

951

(% style="color:blue" %)**AT Command:**

952

953

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)

954

|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 288px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 57px;background-color:#4F81BD;color:white" %)**Response**

955

|(% style="width:155px" %)(((

956

AT+TTRCHANNEL=1

957

)))|(% style="width:259px" %)(((

958

Set as single channel, only use PA8 pin as interrupt pin.

959

)))|(% style="width:44px" %)(((

960

OK

961

)))

962

|(% style="width:155px" %)(((

963

AT+TTRCHANNEL=2

964

)))|(% style="width:259px" %)(((

965

Set as dual channel, use PA8 pin and PA4 pin as interrupt pin.

966

)))|(% style="width:44px" %)(((

OK

)))

(% style="color:blue" %)**Downlink Command:**

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Example: 0D aa => AT+TTRCHANNEL = second byte

973

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975

== 2.13 Clear the open door times and the duration of the last open door ==

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977

978

(% style="color:blue" %)**AT Command:**

979

980

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

981

|=(% style="width: 163px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 290px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 57px;background-color:#4F81BD;color:white" %)**Response**

982

|(% style="width:155px" %)AT+CLRC|(% style="width:259px" %)clear the open door times and the duration of the last open door.|(% style="width:44px" %)(((

OK

)))

(% style="color:blue" %)**Downlink Command:**(%%)0xA6 01

987

988

The sensor will clear the open door times and the duration of the last open door.

989

990

991

== 2.14 Set the count value of the number of open door ==

992

993

994

(% style="color:blue" %)**AT Command:**

995

996

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)

997

|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 288px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 57px;background-color:#4F81BD;color:white" %)**Response**

998

|(% style="width:155px" %)(((

999

AT+SETCNT=1,100

1000

)))|(% style="width:259px" %)(((

1001

Set the open door times of PA8 pin to 100 times.

1002

)))|(% style="width:44px" %)(((

1003

OK

1004

)))

1005

|(% style="width:155px" %)AT+SETCNT=1,0|(% style="width:259px" %)Clear the open door times of PA8 pin.|(% style="width:44px" %)OK

1006

|(% style="width:155px" %)(((

1007

AT+SETCNT=2,50

1008

)))|(% style="width:259px" %)(((

1009

Set the open door times of PA4 pin to 100 times.

1010

)))|(% style="width:44px" %)(((

OK

)))

(% style="color:blue" %)**Downlink Command:**

1015

1016

0xA6 01 00 00 64 ==> AT+SETCNT=1,100

1017

1018

0xA6 01 00 00 00 ==> AT+SETCNT=1,0

1019

1020

0xA6 02 00 00 32 ==> AT+SETCNT=2,50

1021

1022

1023

= 3. Configure DS03A-NB =

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1025

== 3.1 Configure Methods ==

1026

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DS03A-NB supports below configure method:

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* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].

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* AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].

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== 3.2 AT Commands Set ==

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AT+<CMD>? : Help on <CMD>

AT+<CMD> : Run <CMD>

AT+<CMD>=<value> : Set the value

1042

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AT+<CMD>=? : Get the value

1044

1045

1046

(% style="color:blue" %)**General Commands**

AT : Attention

AT? : Short Help

ATZ : MCU Reset

AT+TDC : Application Data Transmission Interval

1055

1056

AT+CFG : Print all configurations

1057

1058

AT+CFGMOD : Working mode selection

1059

1060

AT+DEUI : Get or set the Device ID

1061

1062

AT+INTMOD : Set the trigger interrupt mode

1063

1064

AT+5VT : Set extend the time of 5V power

1065

1066

AT+PRO : Choose agreement

1067

1068

AT+RXDL : Extend the sending and receiving time

1069

1070

AT+DNSCFG : Get or Set DNS Server

1071

1072

AT+GETSENSORVALUE : Returns the current sensor measurement

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1074

AT+NOUD : Get or Set the number of data to be uploaded

1075

1076

AT+CDP : Read or Clear cached data

1077

1078

AT+SHTEMP: Get or Set alarm of temp

1079

1080

AT+SHHUM: Get or Set alarm of moisture

1081

1082

AT+SERVADDR : Server Address

1083

1084

1085

(% style="color:blue" %)**UDP Management**

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AT+CFM : Upload confirmation mode (only valid for UDP)

1088

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1090

(% style="color:blue" %)**MQTT Management**

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1092

AT+CLIENT : Get or Set MQTT client

1093

1094

AT+UNAME : Get or Set MQTT Username

1095

1096

AT+PWD : Get or Set MQTT password

1097

1098

AT+PUBTOPIC : Get or Set MQTT publish topic

1099

1100

AT+SUBTOPIC : Get or Set MQTT subscription topic

1101

1102

1103

(% style="color:blue" %)**Information**

1104

1105

AT+FDR : Factory Data Reset

1106

1107

AT+PWORD : Serial Access Password

1108

1109

AT+LDATA : Get the last upload data

1110

1111

AT+CDP : Read or Clear cached data

1112

1113

1114

= 4. Battery & Power Consumption =

1115

1116

1117

DS03A-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.

1118

1119

[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .

1120

1121

1122

= 5. Firmware update =

1123

1124

1125

User can change device firmware to::

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1127

* Update with new features.

* Fix bugs.

Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zbsm9p4coksqwd5/AADy2ZJc39KsvfbhTMCUGmz1a?dl=0]]**

1132

1133

Methods to Update Firmware:

1134

1135

* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].

1136

1137

* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.

= 6. FAQ =

== 6.1 How can I access t BC660K-GL AT Commands? ==

1142

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1144

User can access to BC660K-GL directly and send AT Commands.

1145

1146

[[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]

= 7. Order Info =

Part Number: (% style="color:blue" %)**DS03A-NB-XX**

1153

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(% style="color:red" %)**XX**(%%):

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* (% style="color:#037691" %)**GE**(%%): General version ( Exclude SIM card)

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* (% style="color:#037691" %)**1D**(%%): with 1NCE* 10 years 500MB SIM card and Pre-configure to DataCake server

1159

1160

(% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands

= 8. Packing Info =

(% style="color:#037691" %)**Package Includes**:

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* DS03A-NB NB-IoT Door sensor x 1

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* External antenna x 1

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(% style="color:#037691" %)**Dimension and weight**:

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* Device Size: 13.0 x 5 x 4.5 cm

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* Device Weight: 150g

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1178

* Package Size / pcs : 14.0 x 8x 5 cm

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* Weight / pcs : 180g

= 9. Support =

* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.

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* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]].

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(% style="display:none" %) (%%)

Wiki source code of DS03A-NB -- NB-IoT Door Sensor User Manual

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