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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 86.10
edited by Xiaoling
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To version 101.6
edited by Xiaoling
on 2023/10/10 10:37
Change comment: There is no comment for this version

Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -DDS45-NB -- NB-IoT Distance Detection Sensor User Manual
1 +SW3L-NB -- NB-IoT Flow Sensor User Manual
Content
... ... @@ -1,5 +1,5 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20230912085600-1.png||height="519" width="731"]]
2 +[[image:image-20231010090810-1.png||height="518" width="839"]]
3 3  
4 4  
5 5  
... ... @@ -8,7 +8,6 @@
8 8  
9 9  
10 10  
11 -
12 12  **Table of Contents:**
13 13  
14 14  {{toc/}}
... ... @@ -20,38 +20,37 @@
20 20  
21 21  = 1. Introduction =
22 22  
23 -== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
22 +== 1.1 What is SW3L-NB NB-IoT Flow Sensor ==
24 24  
25 25  
26 -The Dragino DDS45-NB is a (% style="color:blue" %)** NB-IoT 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 distance measurement, and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-NB 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.
25 +The Dragino SW3L-NB is a (% style="color:blue" %)**NB-IoT Flow Sensor**(%%). It detects water flow volume and uplink to IoT server via NB-IoT network. User can use this to (% style="color:blue" %)**monitor the water usage for buildings**.
27 27  
28 -It detects the distance (% style="color:blue" %)** between the measured object and the sensor**(%%), and and send IoT platform via NB-IoT network.
27 +The SW3L-NB will send water flow volume every 20 minutes. It can also detect the (% style="color:blue" %)**water flow status and send Alarm**(%%), to avoid the waste for water usage such as broken toilet case.
29 29  
30 -DDS45-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
29 +SW3L-NB is designed for both indoor and outdoor use. It has a weatherproof enclosure and industrial level battery to (% style="color:blue" %)**work in low to high temperatures**.
31 31  
32 -DDS45-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
31 +SW3L-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
33 33  
34 -DDS45-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
33 +SW3L-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
35 35  
36 -DDS45-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
35 +SW3L-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to several years.
37 37  
38 -[[image:image-20230912102813-2.png||height="320" width="923"]]
37 +SW3L-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
39 39  
39 +[[image:image-20231010091546-2.png||height="348" width="909"]]
40 40  
41 +
41 41  == 1.2 ​Features ==
42 42  
43 43  
44 44  * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
45 45  * Ultra-low power consumption
46 -* Distance Detection by Ultrasonic technology
47 -* Flat object range 30mm - 4500mm
48 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
49 -* Measure Angle: 60°
47 +* Upload water flow volume
48 +* Monitor water waste
50 50  * Multiply Sampling and one uplink
51 51  * Support Bluetooth v5.1 remote configure and update firmware
52 52  * Uplink on periodically
53 53  * Downlink to change configure
54 -* IP66 Waterproof Enclosure
55 55  * 8500mAh Battery for long term use
56 56  * Nano SIM card slot for NB-IoT SIM
57 57  
... ... @@ -100,66 +100,28 @@
100 100  * STOP Mode: 10uA @ 3.3v
101 101  * Max transmit power: 350mA@3.3v
102 102  
103 -== 1.4 Rated environmental conditions ==
101 +(% class="wikigeneratedid" id="H1.4Ratedenvironmentalconditions" %)
102 +(% style="display:none" %) (%%)
104 104  
104 +== 1.4 Applications ==
105 105  
106 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
107 -|(% style="background-color:#4f81bd; color:white; width:163px" %)**Item**|(% style="background-color:#4f81bd; color:white; width:90px" %)**Minimum value**|(% style="background-color:#4f81bd; color:white; width:70px" %)**Typical value**|(% style="background-color:#4f81bd; color:white; width:87px" %)**Maximum value**|(% style="background-color:#4f81bd; color:white; width:40px" %)**Unit**|(% style="background-color:#4f81bd; color:white; width:50px" %)**Remarks**
108 -|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
109 -|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
110 -|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
111 -|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
112 -
113 113  
114 -
115 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
107 +* Flow Sensor application
108 +* Water Control
109 +* Toilet Flow Sensor
110 +* Monitor Waste water
116 116  
117 -(((
118 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
112 +== 1.5 Sleep mode and working mode ==
119 119  
120 -(% style="color:red" %)** b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
121 121  
122 -
123 -)))
115 +(% 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.
124 124  
125 -== 1.5 Effective measurement range Reference beam pattern ==
117 +(% 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.
126 126  
127 127  
128 -(% 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.**
120 +== 1.6 Button & LEDs ==
129 129  
130 -[[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"]]
131 131  
132 -
133 -(% style="color:blue" %)**2. The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
134 -
135 -[[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"]]
136 -
137 -
138 -== 1.6 Applications ==
139 -
140 -
141 -* Horizontal distance measurement
142 -* Liquid level measurement
143 -* Parking management system
144 -* Object proximity and presence detection
145 -* Intelligent trash can management system
146 -* Robot obstacle avoidance
147 -* Automatic control
148 -* Sewer
149 -* Bottom water level monitoring
150 -
151 -
152 -== 1.7 Sleep mode and working mode ==
153 -
154 -
155 -(% 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.
156 -
157 -(% 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.
158 -
159 -
160 -== 1.8 Button & LEDs ==
161 -
162 -
163 163  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
164 164  
165 165  
... ... @@ -244,7 +244,7 @@
244 244  
245 245  Below shows the network structure:
246 246  
247 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual/WebHome/image-20230912102813-2.png?width=923&height=320&rev=1.1||alt="image-20230912102813-2.png"]]
207 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-NB_NB-IoT_Flow_Sensor_User_Manual/WebHome/image-20231010091546-2.png?width=909&height=348&rev=1.1||alt="image-20231010091546-2.png"]]
248 248  
249 249  
250 250  There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.
... ... @@ -312,14 +312,17 @@
312 312  
313 313  This is the General Json Format. As below:
314 314  
315 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":DDS45-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**
275 +(% style="color:#4472c4" %)**{"IMEI":"866207058378443","Model":"DDS45-NB","distance":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}}**
316 316  
317 317  
278 +[[image:image-20230920175015-3.png||height="613" width="890"]]
279 +
280 +
318 318  (% style="color:red" %)**Notice, from above payload:**
319 319  
320 -* Temperature , Humidity , Battery & Signal are the value at uplink time.
283 +* Distance , Battery & Signal are the value at uplink time.
321 321  
322 -* 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): Temperature, Humidity, Sampling time.
285 +* 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): Distance, Sampling time.
323 323  
324 324  === 2.2.2 HEX format Payload(Type~=0) ===
325 325  
... ... @@ -326,23 +326,28 @@
326 326  
327 327  This is the HEX Format. As below:
328 328  
329 -(% style="color:#4472c4" %)**f86620705346276200640cba16010000000011011801e864d49c2d011a01e364d49925011901eb64d49871011901e564d497bd011a01e664d49709011901e964d49655011a01e864d495a1011a01e864d494ed011801e864d49439**
292 +(% style="color:#4472c4" %)**f8662070583784430b640dda15010003a4650abc400000650ab8180000650ab4940000650ab10f0000650aad8b0000650aaa070000650aa6840000650aa3000000650a9308**
330 330  
331 -[[image:1692424009971-458.png]]
294 +[[image:image-20230920172200-1.png||height="191" width="1047"]]
332 332  
333 333  
297 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
298 +
299 +[[image:image-20230920173352-2.png||height="636" width="919"]]
300 +
301 +
334 334  (% style="color:blue" %)**Version:**
335 335  
336 336  These bytes include the hardware and software version.
337 337  
338 -(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS45-NB
306 +(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x0b for DDS45-NB
339 339  
340 -(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100
308 +(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 1.0.0
341 341  
342 342  
343 343  (% style="color:blue" %)**BAT (Battery Info):**
344 344  
345 -Ex1: 0x0CBA = 3258mV
313 +Ex1: 0x0dda = 3546mV
346 346  
347 347  
348 348  (% style="color:blue" %)**Signal Strength:**
... ... @@ -349,7 +349,7 @@
349 349  
350 350  NB-IoT Network signal Strength.
351 351  
352 -**Ex1: 0x16 = 22**
320 +**Ex1: 0x15 = 21**
353 353  
354 354  **0**  -113dBm or less
355 355  
... ... @@ -362,33 +362,44 @@
362 362  **99**    Not known or not detectable
363 363  
364 364  
365 -(% style="color:blue" %)**TimeStamp:   **
333 +(% style="color:blue" %)**Distance:  **
366 366  
367 -Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
335 +Ex1: 0x03a4 = 932 mm
368 368  
369 -Put the decimal value into this link(https:~/~/www.epochconverter.com/) to get the time.
370 370  
338 +(% style="color:blue" %)**Timestamp:   **
371 371  
340 +Unit Timestamp Example: 650abc40(H) = 1695202368(D)
341 +
342 +Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]]) to get the time.
343 +
344 +
372 372  === 2.2.3 ThingsBoard Payload(Type~=3) ===
373 373  
374 374  
375 375  Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.
376 376  
377 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24}**
350 +(% style="color:#4472c4" %)** {"IMEI": "866207058378443","Model": "DDS45-NB","distance": 502,"battery": 3.57,"signal": 23}**
378 378  
352 +[[image:image-20230922094043-2.png||height="558" width="851"]]
379 379  
354 +
355 +=== ===
356 +
380 380  === 2.2.4 ThingSpeak Payload(Type~=1) ===
381 381  
382 382  
383 -This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:
360 +This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~3 are:
384 384  
385 -Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
362 +Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform
386 386  
387 387  As below:
388 388  
389 -(% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
366 +(% style="color:#4472c4" %)**field1=Distance value&field2=Battery value&field3=Singal value**
390 390  
368 +[[image:image-20230921104741-1.png||height="565" width="826"]]
391 391  
370 +
392 392  == 2.3  ​Uplink Payload ==
393 393  
394 394  
... ... @@ -397,21 +397,28 @@
397 397  )))
398 398  
399 399  (((
400 -Uplink payload includes in total 8 bytes.
379 +Uplink payload includes in total 21 bytes.
401 401  )))
402 402  
403 403  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
404 -|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1
405 -|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
406 -[[Distance>>||anchor="H2.3.2A0Distance"]]
407 -(unit: mm)
408 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
409 -[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
410 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
383 +|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)8|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 49px;" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 79px;" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)4
384 +|(% style="width:95px" %)Value|(% style="width:61px" %)f+IMEI|(% style="width:61px" %)Ver|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:61px" %)(((
385 +Singal
411 411  
412 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230702135733.png?width=964&height=215&rev=1.1||alt="微信截图_20230702135733.png"]]
387 +Strength
388 +)))|(% style="width:49px" %)Mod|(% style="width:79px" %)[[Digital Interrupt >>||anchor="H2.3.2A0Interrupt"]]|(% style="width:61px" %)[[Distance>>||anchor="H2.3.3A0Distance"]](unit: mm)|(% style="width:61px" %)(((
389 +Timestamp
413 413  
391 +
392 +)))
414 414  
394 +If the cache upload mechanism is turned on, you will receive the payload shown in the figure below.
395 +
396 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:512px" %)
397 +|(% style="width:115px" %)**Frame header**|(% style="width:118px" %)**Frame data(1)**|(% style="width:116px" %)**Frame data(2)**|(% style="width:39px" %)**F…**|(% style="width:117px" %)**Frame data(X)**
398 +
399 +=== ===
400 +
415 415  === 2.3.1  Battery Info ===
416 416  
417 417  
... ... @@ -422,29 +422,9 @@
422 422  Ex2: 0x0B49 = 2889mV
423 423  
424 424  
425 -=== 2.3.2  Distance ===
411 +=== 2.3.2  Interrupt ===
426 426  
427 427  
428 -(((
429 -Get the distance. Flat object range 30mm - 4500mm.
430 -)))
431 -
432 -(((
433 -For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
434 -
435 -(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
436 -)))
437 -
438 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
439 -
440 -* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
441 -
442 -
443 -
444 -
445 -=== 2.3.3  Interrupt Pin ===
446 -
447 -
448 448  This data field shows if this packet is generated by interrupt or not.
449 449  
450 450  **Example:**
... ... @@ -454,28 +454,24 @@
454 454  0x01: Interrupt Uplink Packet.
455 455  
456 456  
457 -=== 2.3.4  DS18B20 Temperature sensor ===
423 +=== 2.3.3  Distance ===
458 458  
459 459  
460 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
426 +(((
427 +Get the distance. Flat object range 30mm - 4500mm.
428 +)))
461 461  
462 -**Example**:
430 +(((
431 +For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
463 463  
464 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
433 +(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
434 +)))
465 465  
466 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
436 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
467 467  
438 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
468 468  
469 -=== 2.3.5  Sensor Flag ===
470 -
471 -
472 472  (((
473 -0x01: Detect Ultrasonic Sensor
474 -)))
475 -
476 -(((
477 -0x00: No Ultrasonic Sensor
478 -
479 479  
480 480  )))
481 481  
... ... @@ -494,7 +494,7 @@
494 494  == 2.5 Multi-Samplings and One uplink ==
495 495  
496 496  
497 -To save battery life, DDS45-NB will sample temperature & humidity 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:
459 +To save battery life, DDS45-NB will sample Distance 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:
498 498  
499 499  * (% 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)
500 500  
... ... @@ -533,9 +533,6 @@
533 533  
534 534  * 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]].
535 535  
536 -
537 -
538 -
539 539  == 3.2 AT Commands Set ==
540 540  
541 541  
... ... @@ -641,9 +641,6 @@
641 641  
642 642  * 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]]**.
643 643  
644 -
645 -
646 -
647 647  = 6. FAQ =
648 648  
649 649  == 6.1 How can I access t BC660K-GL AT Commands? ==
... ... @@ -712,7 +712,7 @@
712 712  
713 713  (% style="color:#037691" %)**Package Includes**:
714 714  
715 -* DDS450-NB NB-IoT Distance Detection sensor x 1
671 +* DDS45-NB NB-IoT Distance Detection sensor x 1
716 716  
717 717  * External antenna x 1
718 718  
... ... @@ -726,9 +726,6 @@
726 726  
727 727  * Weight / pcs : 180g
728 728  
729 -
730 -
731 -
732 732  = 10. Support =
733 733  
734 734  
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