Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
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... ... @@ -1,1 +1,1 @@ 1 -DDS 75-LB -- LoRaWAN Distance Detection Sensor User Manual1 +DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual - Content
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... ... @@ -1,9 +1,8 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-2023061 2170349-1.png||height="656" width="656"]]2 +[[image:image-20230613100900-1.png||height="683" width="683"]] 3 3 4 4 5 5 6 - 7 7 **Table of Contents:** 8 8 9 9 {{toc/}} ... ... @@ -18,17 +18,17 @@ 18 18 == 1.1 What is LoRaWAN Distance Detection Sensor == 19 19 20 20 21 -The Dragino DDS 75-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS75-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.20 +The Dragino DDS45-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 22 22 23 23 It detects the distance(% style="color:blue" %)** between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server. 24 24 25 -The LoRa wireless technology used in DDS 75-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.24 +The LoRa wireless technology used in DDS45-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 26 26 27 -DDS 75-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.26 +DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use. 28 28 29 -DDS 75-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.28 +DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years. 30 30 31 -Each DDS 75-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.30 +Each DDS45-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on. 32 32 33 33 [[image:image-20230612170943-2.png||height="525" width="912"]] 34 34 ... ... @@ -50,11 +50,39 @@ 50 50 * IP66 Waterproof Enclosure 51 51 * 8500mAh Battery for long term use 52 52 52 + 53 53 == 1.3 Specification == 54 54 55 55 56 -(% style="color:#037691" %)** Rated environmentalconditions:**56 +(% style="color:#037691" %)**Common DC Characteristics:** 57 57 58 +* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v 59 +* Operating Temperature: -40 ~~ 85°C 60 + 61 +(% style="color:#037691" %)**LoRa Spec:** 62 + 63 +* Frequency Range, Band 1 (HF): 862 ~~ 1020 Mhz 64 +* Max +22 dBm constant RF output vs. 65 +* RX sensitivity: down to -139 dBm. 66 +* Excellent blocking immunity 67 + 68 +(% style="color:#037691" %)**Battery:** 69 + 70 +* Li/SOCI2 un-chargeable battery 71 +* Capacity: 8500mAh 72 +* Self-Discharge: <1% / Year @ 25°C 73 +* Max continuously current: 130mA 74 +* Max boost current: 2A, 1 second 75 + 76 +(% style="color:#037691" %)**Power Consumption** 77 + 78 +* Sleep Mode: 5uA @ 3.3v 79 +* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 80 + 81 + 82 +== 1.4 Rated environmental conditions == 83 + 84 + 58 58 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %) 59 59 |(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)((( 60 60 **Minimum value** ... ... @@ -80,34 +80,9 @@ 80 80 81 81 ))) 82 82 83 - (%style="color:#037691"%)**CommonDC Characteristics:**110 +== 1.5 Effective measurement range Reference beam pattern == 84 84 85 -* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v 86 -* Operating Temperature: -40 ~~ 85°C 87 87 88 -(% style="color:#037691" %)**LoRa Spec:** 89 - 90 -* Frequency Range, Band 1 (HF): 862 ~~ 1020 Mhz 91 -* Max +22 dBm constant RF output vs. 92 -* RX sensitivity: down to -139 dBm. 93 -* Excellent blocking immunity 94 - 95 -(% style="color:#037691" %)**Battery:** 96 - 97 -* Li/SOCI2 un-chargeable battery 98 -* Capacity: 8500mAh 99 -* Self-Discharge: <1% / Year @ 25°C 100 -* Max continuously current: 130mA 101 -* Max boost current: 2A, 1 second 102 - 103 -(% style="color:#037691" %)**Power Consumption** 104 - 105 -* Sleep Mode: 5uA @ 3.3v 106 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 107 - 108 -== 1.4 Effective measurement range Reference beam pattern == 109 - 110 - 111 111 (% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** 112 112 113 113 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]] ... ... @@ -118,7 +118,7 @@ 118 118 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]] 119 119 120 120 121 -== 1. 5Applications ==123 +== 1.6 Applications == 122 122 123 123 124 124 * Horizontal distance measurement ... ... @@ -131,15 +131,16 @@ 131 131 * Sewer 132 132 * Bottom water level monitoring 133 133 134 -== 1.6 Sleep mode and working mode == 135 135 137 +== 1.7 Sleep mode and working mode == 136 136 139 + 137 137 (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life. 138 138 139 139 (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN 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. 140 140 141 141 142 -== 1. 7Button & LEDs ==145 +== 1.8 Button & LEDs == 143 143 144 144 145 145 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]] ... ... @@ -158,12 +158,13 @@ 158 158 ))) 159 159 |(% 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. 160 160 161 -== 1.8 BLE connection == 162 162 165 +== 1.9 BLE connection == 163 163 164 -DDS75-LB support BLE remote configure. 165 165 168 +DDS45-LB support BLE remote configure. 166 166 170 + 167 167 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: 168 168 169 169 * Press button to send an uplink ... ... @@ -173,16 +173,14 @@ 173 173 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode. 174 174 175 175 176 -== 1. 9Pin Definitions ==180 +== 1.10 Pin Definitions == 177 177 178 178 [[image:image-20230523174230-1.png]] 179 179 180 180 185 +== 1.11 Mechanical == 181 181 182 182 183 -== 2.10 Mechanical == 184 - 185 - 186 186 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]] 187 187 188 188 ... ... @@ -204,12 +204,12 @@ 204 204 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]] 205 205 206 206 207 -= 2. Configure DDS 75-LB to connect to LoRaWAN network =209 += 2. Configure DDS45-LB to connect to LoRaWAN network = 208 208 209 209 == 2.1 How it works == 210 210 211 211 212 -The DDS 75-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DDS75-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.214 +The DDS45-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DDS45-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes. 213 213 214 214 (% style="display:none" %) (%%) 215 215 ... ... @@ -223,9 +223,9 @@ 223 223 [[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %) 224 224 225 225 226 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS 75-LB.228 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB. 227 227 228 -Each DDS 75-LB is shipped with a sticker with the default device EUI as below:230 +Each DDS45-LB is shipped with a sticker with the default device EUI as below: 229 229 230 230 [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]] 231 231 ... ... @@ -254,10 +254,10 @@ 254 254 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]] 255 255 256 256 257 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS 75-LB259 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS45-LB 258 258 259 259 260 -Press the button for 5 seconds to activate the DDS 75-LB.262 +Press the button for 5 seconds to activate the DDS45-LB. 261 261 262 262 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network. 263 263 ... ... @@ -268,7 +268,7 @@ 268 268 269 269 270 270 ((( 271 -DDS 75-LB will uplink payload via LoRaWAN with below payload format:273 +DDS45-LB will uplink payload via LoRaWAN with below payload format: 272 272 ))) 273 273 274 274 ((( ... ... @@ -292,7 +292,7 @@ 292 292 === 2.3.1 Battery Info === 293 293 294 294 295 -Check the battery voltage for DDS 75-LB.297 +Check the battery voltage for DDS45-LB. 296 296 297 297 Ex1: 0x0B45 = 2885mV 298 298 ... ... @@ -363,7 +363,7 @@ 363 363 The payload decoder function for TTN V3 is here: 364 364 365 365 ((( 366 -DDS 75-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]368 +DDS45-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 367 367 ))) 368 368 369 369 ... ... @@ -370,7 +370,7 @@ 370 370 == 2.4 Uplink Interval == 371 371 372 372 373 -The DDS 75-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]375 +The DDS45-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]] 374 374 375 375 376 376 == 2.5 Show Data in DataCake IoT Server == ... ... @@ -398,7 +398,7 @@ 398 398 399 399 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 400 400 401 -(% style="color:blue" %)**Step 4**(%%)**: Search the DDS 75-LB and add DevEUI.**403 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS45-LB and add DevEUI.** 402 402 403 403 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]] 404 404 ... ... @@ -412,19 +412,19 @@ 412 412 == 2.6 Datalog Feature == 413 413 414 414 415 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS 75-LB will store the reading for future retrieving purposes.417 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS45-LB will store the reading for future retrieving purposes. 416 416 417 417 418 418 === 2.6.1 Ways to get datalog via LoRaWAN === 419 419 420 420 421 -Set PNACKMD=1, DDS 75-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS75-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.423 +Set PNACKMD=1, DDS45-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS45-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery. 422 422 423 423 * ((( 424 -a) DDS 75-LB will do an ACK check for data records sending to make sure every data arrive server.426 +a) DDS45-LB will do an ACK check for data records sending to make sure every data arrive server. 425 425 ))) 426 426 * ((( 427 -b) DDS 75-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS75-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS75-LB gets a ACK, DDS75-LB will consider there is a network connection and resend all NONE-ACK messages.429 +b) DDS45-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS45-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS45-LB gets a ACK, DDS45-LB will consider there is a network connection and resend all NONE-ACK messages. 428 428 ))) 429 429 430 430 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) ... ... @@ -435,7 +435,7 @@ 435 435 === 2.6.2 Unix TimeStamp === 436 436 437 437 438 -DDS 75-LB uses Unix TimeStamp format based on440 +DDS45-LB uses Unix TimeStamp format based on 439 439 440 440 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]] 441 441 ... ... @@ -454,7 +454,7 @@ 454 454 455 455 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. 456 456 457 -Once DDS 75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS75-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).459 +Once DDS45-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS45-LB. If DDS45-LB fails to get the time from the server, DDS45-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 458 458 459 459 (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.** 460 460 ... ... @@ -482,7 +482,7 @@ 482 482 ))) 483 483 484 484 ((( 485 -Uplink Internal =5s,means DDS 75-LB will send one packet every 5s. range 5~~255s.487 +Uplink Internal =5s,means DDS45-LB will send one packet every 5s. range 5~~255s. 486 486 ))) 487 487 488 488 ... ... @@ -489,17 +489,17 @@ 489 489 == 2.7 Frequency Plans == 490 490 491 491 492 -The DDS 75-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.494 +The DDS45-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 493 493 494 494 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 495 495 496 496 497 -= 3. Configure DDS 75-LB =499 += 3. Configure DDS45-LB = 498 498 499 499 == 3.1 Configure Methods == 500 500 501 501 502 -DDS 75-LB supports below configure method:504 +DDS45-LB supports below configure method: 503 503 504 504 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 505 505 ... ... @@ -507,6 +507,7 @@ 507 507 508 508 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 509 509 512 + 510 510 == 3.2 General Commands == 511 511 512 512 ... ... @@ -521,10 +521,10 @@ 521 521 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 522 522 523 523 524 -== 3.3 Commands special design for DDS 75-LB ==527 +== 3.3 Commands special design for DDS45-LB == 525 525 526 526 527 -These commands only valid for DDS 75-LB, as below:530 +These commands only valid for DDS45-LB, as below: 528 528 529 529 530 530 === 3.3.1 Set Transmit Interval Time === ... ... @@ -567,6 +567,9 @@ 567 567 ))) 568 568 * ((( 569 569 Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 573 + 574 + 575 + 570 570 ))) 571 571 572 572 === 3.3.2 Set Interrupt Mode === ... ... @@ -603,10 +603,11 @@ 603 603 604 604 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 605 605 612 + 606 606 = 4. Battery & Power Consumption = 607 607 608 608 609 -DDS 75-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.616 +DDS45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 610 610 611 611 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 612 612 ... ... @@ -615,7 +615,7 @@ 615 615 616 616 617 617 (% class="wikigeneratedid" %) 618 -User can change firmware DDS 75-LB to:625 +User can change firmware DDS45-LB to: 619 619 620 620 * Change Frequency band/ region. 621 621 ... ... @@ -631,21 +631,21 @@ 631 631 632 632 * 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]]**. 633 633 641 + 634 634 = 6. FAQ = 635 635 644 +== 6.1 What is the frequency plan for DDS45-LB? == 636 636 637 -== 6.1 What is the frequency plan for DDS75-LB? == 638 638 647 +DDS45-LB use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]] 639 639 640 -DDS75-LB use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]] 641 641 650 +== 6.2 Can I use DDS45-LB in condensation environment? == 642 642 643 -== 6.2 Can I use DDS75-LB in condensation environment? == 644 644 653 +DDS45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0. 645 645 646 -DDS75-LB is not suitable to be used in condensation environment. Condensation on the DDS75-LB probe will affect the reading and always got 0. 647 647 648 - 649 649 = 7. Trouble Shooting = 650 650 651 651 == 7.1 Why I can't join TTN V3 in US915 / AU915 bands? == ... ... @@ -694,7 +694,7 @@ 694 694 = 8. Order Info = 695 695 696 696 697 -Part Number: (% style="color:blue" %)**DDS 75-LB-XXX**704 +Part Number: (% style="color:blue" %)**DDS45-LB-XXX** 698 698 699 699 (% style="color:red" %)**XXX**(%%): **The default frequency band** 700 700 ... ... @@ -720,7 +720,7 @@ 720 720 721 721 (% style="color:#037691" %)**Package Includes**: 722 722 723 -* DDS 75-LB LoRaWAN Distance Detection Sensor x 1730 +* DDS45-LB LoRaWAN Distance Detection Sensor x 1 724 724 725 725 (% style="color:#037691" %)**Dimension and weight**: 726 726
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