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Last modified by Mengting Qiu on 2025/07/03 18:49
From version 8.1
edited by David Huang
on 2024/06/07 14:59
Change comment: There is no comment for this version
To version 95.2
edited by Mengting Qiu
on 2024/08/20 11:30
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.David
1 +XWiki.ting
Content
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55 55  
56 56  **BG95-M2** supports multi bands (% style="color:blue" %)**in NB-IoT and LTE-M. **(%%) It will search one by one and try to attach, this will take a lot of time and even cause attach fail and show **Signal Strenght:99**.
57 57  
58 +**Note:**Before using the NB module command, users need to power on the NB module. Run the AT+QSW command to turn on and off the NB module.Remember to shut down after using the NB module command, otherwise it will consume power.
58 58  
59 59  Attache to 1NCE card for Australia use:
60 60  
... ... @@ -70,8 +70,116 @@
70 70  
71 71  See bands used for different provider:** [[NB-IoT Deployment , Bands, Operator list>>http://wiki.dragino.com/xwiki/bin/view/Main/NB-IoT%20Deployment%20%2C%20Bands%2C%20Operator%20list/]]**
72 72  
74 +=== **1.Configure Frequency Band** ===
73 73  
76 +AT+QCFG="band"[,<GSM_bandval>,<eMTC_bandval>,<NB-IoT_bandval>[,<effect>]]
74 74  
78 +<GSM_bandval>:
79 +
80 +0 No change 
81 +0x1 EGSM900
82 +0x2 DCS1800
83 +0x4 GSM850 
84 +0x8 PCS1900 
85 +0xF All of the supported bands above
86 +
87 +<eMTC_bandval>:
88 +
89 +0 No change 
90 +0x1  LTE B1
91 +0x2  LTE B2 
92 +0x4  LTE B3 
93 +0x8  LTE B4 
94 +0x10  LTE B5 
95 +0x80  LTE B8 
96 +0x800  LTE B12 
97 +0x1000  LTE B13 
98 +0x20000  LTE B18 
99 +0x40000  LTE B19 
100 +0x80000  LTE B20 
101 +0x1000000  LTE B25 
102 +0x2000000  LTE B26 
103 +0x4000000  LTE B27 
104 +0x8000000  LTE B28 
105 +0x40000000  LTE B31 
106 +0x20000000000000000  LTE B66 
107 +0x800000000000000000  LTE B72 
108 +0x1000000000000000000  LTE B73 
109 +0x1000000000000000000000  LTE B85
110 +
111 +<NB-IoT_bandval>:
112 +
113 +0 No change 
114 +0x1  LTE B1
115 +0x2  LTE B2 
116 +0x4  LTE B3 
117 +0x8  LTE B4 
118 +0x10  LTE B5 
119 +0x80  LTE B8 
120 +0x800  LTE B12 
121 +0x1000  LTE B13 
122 +0x20000  LTE B18 
123 +0x40000  LTE B19 
124 +0x80000  LTE B20 
125 +0x1000000  LTE B25 
126 +0x8000000  LTE B28 
127 +0x40000000  LTE B31 
128 +0x20000000000000000  LTE B66
129 +
130 +0x400000000000000000  LTE B71
131 +0x800000000000000000  LTE B72 
132 +0x1000000000000000000  LTE B73 
133 +0x1000000000000000000000  LTE B85
134 +
135 +For example, setting the LTE-M network frequency band to 3.
136 +
137 +AT+QCFG="band",0xF,0x4,0,1
138 +
139 +When searching for all bands, the value of this command is set to:
140 +
141 +AT+QCFG="band",0xF,0x100002000000000f0e189f,0x10004200000000090e189f,1
142 +
143 +
144 +=== **2.Configure search network sequence** ===
145 +
146 +AT+QCFG="nwscanseq",<scanseq>,1
147 +
148 +<scanseq>:
149 +
150 +00 Automatic (eMTC → NB-IoT → GSM) 
151 +01 GSM 
152 +02 eMTC 
153 +03 NB-IoT
154 +
155 +AT+QCFG="nwscanseq",02,1  ~/~/Priority search for eMTC
156 +
157 +=== **3.Configure Network Category to be Searched for under LTE RAT** ===
158 +
159 +AT+QCFG="iotopmode",mode,1
160 +
161 +0 eMTC 
162 +1 NB-IoT 
163 +2 eMTC and NB-IoT
164 +
165 +=== **4.AT command to set frequency band and network category** ===
166 +
167 +AT+QBAND=0x100002000000000f0e189f,0x10004200000000090e189f  ~/~/<eMTC_bandval>,<NB-IoT_bandval>
168 +
169 +AT+IOTMOD=0  ~/~/ 0 eMTC  1 NB-IoT  2 eMTC and NB-IoT
170 +
171 +**Example :**
172 +
173 +Taking the use of 1nce cards in **the United States** as an example.
174 +
175 +AT+APN=iot.1nce.net  ~/~/set APN
176 +
177 +AT+QBAND=0x100180A,0  ~/~/ eMTC ：Set frequency band B2,B4,B12,B13,B25  NB-IoT：No change
178 +
179 +AT+IOTMOD=0  ~/~/ Set  eMTC Network
180 +
181 +**Setting the above commands in the United States will greatly reduce the network search time of the NB module.**
182 +
183 +
75 75  = 3. Configure to connect to different servers =
76 76  
77 77  == 3.1 General UDP Connection ==
... ... @@ -94,11 +94,11 @@
94 94  
95 95  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601**  (%%) ~/~/ Set UDP server address and port
96 96  
97 -[[image:image-20230802112413-2.png]]
206 +[[image:image-20240819102802-1.png]]
98 98  
99 99  ==== 3.1.2.2 Uplink Example ====
100 100  
101 -[[image:image-20230802112413-3.png]]
210 +[[image:image-20240819105418-8.png||height="671" width="1414"]]
102 102  
103 103  == 3.2 General COAP Connection ==
104 104  
... ... @@ -113,11 +113,13 @@
113 113  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683** (%%) ~/~/ Set COAP server address and port
114 114  
115 115  * (% style="color:#037691" %)**AT+URI1=11,"I"**  (%%) ~/~/  Configure CoAP Message Options
116 -* (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"**  (%%) ~/~/ Configure CoAP Message Options
225 +* (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"**    (%%) ~/~/ Configure CoAP Message Options
117 117  
118 -(% class="wikigeneratedid" %)
227 +[[image:image-20240819103212-2.png]]
228 +
119 119  === 3.2.1 Uplink Example ===
120 120  
231 +[[image:image-20240819103909-4.png||height="453" width="955"]]
121 121  
122 122  
123 123  == 3.2 General MQTT Connection ==
... ... @@ -142,10 +142,11 @@
142 142  
143 143  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB**  (%%) ~/~/ Set the subscription topic of MQTT
144 144  
145 -[[image:image-20230802112413-4.png]]
256 +[[image:image-20240819105003-7.png||height="613" width="458"]]
146 146  
147 -[[image:image-20230802112413-5.png||height="530" width="987"]]
148 148  
259 +[[image:image-20240819104942-6.png||height="702" width="974"]]
260 +
149 149  (% style="color:red" %)**Notice: MQTT protocol has a much higher power consumption compare with UDP/CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.**
150 150  
151 151  == 3.3 [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) ==
... ... @@ -154,9 +154,9 @@
154 154  
155 155  [[ThingSpeak>>url:https://thingspeak.com/]] connection uses MQTT Connection. So we need to get MQTT Credentials first. You need to point MQTT Devices to ThingSpeak Channel as well.
156 156  
157 -[[image:image-20230802112413-6.png||height="336" width="925"]]
269 +[[image:image-20240819173602-1.png||height="401" width="743"]]
158 158  
159 -[[image:image-20230802112413-7.png]]
271 +[[image:image-20240819173706-3.png||height="595" width="597"]]
160 160  
161 161  === 3.3.2 Simulate with MQTT.fx ===
162 162  
... ... @@ -164,7 +164,7 @@
164 164  
165 165  After we got MQTT Credentials, we can first simulate with PC tool MQTT.fx tool to see if the Credentials and settings are fine.
166 166  
167 -[[image:image-20230802112413-8.png]]
279 +[[image:image-20240819173826-4.png||height="534" width="734"]]
168 168  
169 169  * (% style="color:#037691" %)**Broker Address:**(%%) mqtt3.thingspeak.com
170 170  
... ... @@ -178,9 +178,9 @@
178 178  
179 179  ==== 3.3.2.2 Publish Data to ThingSpeak Channel ====
180 180  
181 -[[image:image-20230802112413-9.png]]
293 +[[image:image-20240819174033-5.png]]
182 182  
183 -[[image:image-20230802112413-10.png]]
295 +[[image:image-20240819174209-6.png]]
184 184  
185 185  (% style="color:blue" %)**In MQTT.fx, we can publish below info:**
186 186  
... ... @@ -192,7 +192,7 @@
192 192  
193 193  (% style="color:blue" %)**Result: **
194 194  
195 -[[image:image-20230802112413-11.png||height="539" width="901"]]
307 +[[image:image-20240819174314-7.png||height="469" width="785"]]
196 196  
197 197  === 3.3.3 Configure NB-IoT Sensor for connection ===
198 198  
... ... @@ -214,7 +214,7 @@
214 214  
215 215  ==== 3.3.3.2 Uplink Examples ====
216 216  
217 -[[image:image-20230816201942-1.png]]
329 +[[image:image-20240819174540-8.png]]
218 218  
219 219  For SE01-NB
220 220  
... ... @@ -242,9 +242,9 @@
242 242  
243 243  When NB-IoT sensor upload to ThingSpeak. The payload already specify which fileds related to which sensor value. Use need to create fileds in Channels Settings. with name so to see the value correctly.
244 244  
245 -[[image:image-20230802112413-12.png||height="504" width="1011"]]
357 +[[image:image-20240819174610-9.png]]
246 246  
247 -[[image:image-20230802112413-13.png||height="331" width="978"]]
359 +[[image:image-20240819174618-10.png]]
248 248  
249 249  Below is the NB-IoT Product Table show the mapping.
250 250  
... ... @@ -274,11 +274,11 @@
274 274  Dragino NB-IoT sensors has its template in **[[Datacake>>https://datacake.co/]]** Platform. There are two version for NB Sensor,
275 275  
276 276  (% class="wikigeneratedid" %)
277 -As example for S31B-NB. there are two versions: **S31B-NB-1D and S31B-NB-GE.**
389 +As example for S31B-CB. there are two versions: **S31B-CB-1D and S31B-CB-GE.**
278 278  
279 -* (% style="color:blue" %)**S31B-NB-1D**(%%): This version have pre-configure DataCake connection. User just need to Power on this device, it will auto connect send data to DataCake Server.
391 +* (% style="color:blue" %)**S31B-CB-1D**(%%): This version have pre-configure DataCake connection. User just need to Power on this device, it will auto connect send data to DataCake Server.
280 280  
281 -* (% style="color:blue" %)**S31B-NB-GE**(%%): This verson doesn't have pre-configure Datacake connection. User need to enter the AT Commands to connect to Datacake. See below for instruction.
393 +* (% style="color:blue" %)**S31B-CB-GE**(%%): This verson doesn't have pre-configure Datacake connection. User need to enter the AT Commands to connect to Datacake. See below for instruction.
282 282  
283 283  === 3.4.1 For device Already has template ===
284 284  
... ... @@ -286,21 +286,21 @@
286 286  
287 287  (% style="color:blue" %)**Add Device**(%%) in DataCake.
288 288  
289 -[[image:image-20230808162301-1.png||height="453" width="952"]]
401 +[[image:image-20240820110003-1.png]]
290 290  
291 -[[image:image-20230808162342-2.png||height="541" width="952"]]
403 +[[image:image-20240820110017-2.png]]
292 292  
293 293  (% style="color:blue" %)**Choose the correct model**(%%) from template.
294 294  
295 -[[image:image-20230808162421-3.png]]
407 +[[image:image-20240820110031-3.png]]
296 296  
297 297  (% style="color:blue" %)**Fill Device ID**(%%). The device ID needs to be filled in with IMEI, and a prefix of(% style="color:blue" %)** 'f' **(%%)needs to be added.
298 298  
299 -[[image:image-20230808163612-7.png||height="549" width="952"]]
411 +[[image:image-20240820110048-4.png]]
300 300  
301 -[[image:image-20230808163035-5.png]]
413 +[[image:image-20240820110103-5.png]]
302 302  
303 -[[image:image-20230808163049-6.png||height="544" width="926"]]
415 +[[image:image-20240820110114-6.png]]
304 304  
305 305  === 3.4.2 For Device already registered in DataCake before shipped ===
306 306  
... ... @@ -308,9 +308,9 @@
308 308  
309 309  Users can use their phones or computers to scan QR codes to obtain device data information.
310 310  
311 -[[image:image-20230808170051-8.png||height="255" width="259"]]
423 +[[image:image-20240820110129-7.png]]
312 312  
313 -[[image:image-20230808170548-9.png]]
425 +[[image:image-20240820110218-9.png]]
314 314  
315 315  ==== 3.4.2.2 Claim Device to User Account ====
316 316  
... ... @@ -320,43 +320,43 @@
320 320  
321 321  **Step1: Add a device**
322 322  
323 -[[image:image-20240129170024-1.png||height="330" width="900"]]
435 +[[image:image-20240820110235-10.png]][[image:image-20240129170024-1.png||height="330" width="900"]]
324 324  
325 325  **Step2: Choose your device type,please select dragino NB-IOT device**
326 326  
327 -[[image:image-20240129170216-2.png||height="534" width="643"]]
439 +[[image:image-20240820110247-11.png]]
328 328  
329 329  **Step3: Choose to create a new device**
330 330  
331 -[[image:image-20240129170539-3.png||height="459" width="646"]]
443 +[[image:image-20240820111016-12.png]]
332 332  
333 333  **Step4: Fill in the device ID of your NB device**
334 334  
335 -[[image:image-20240202111546-1.png||height="378" width="651"]]
447 +[[image:image-20240820111101-13.png]]
336 336  
337 337  **Step5: Please select your device plan according to your needs and complete the creation of the device**
338 338  
339 -[[image:image-20240129171236-6.png||height="450" width="648"]]
451 +[[image:image-20240820111113-14.png]]
340 340  
341 341  **Step6: Please add the decoder at the payload decoder of the device configuration.**
342 342  
343 343  **Decoder location:**[[dragino-end-node-decoder/Datacake-Dragino_NB at main · dragino/dragino-end-node-decoder (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Datacake-Dragino_NB]]
344 344  
345 -[[image:image-20240129172056-7.png||height="457" width="816"]]
457 +[[image:image-20240820111236-15.png]]
346 346  
347 -[[image:image-20240129173116-9.png||height="499" width="814"]]
459 +[[image:image-20240820111248-16.png]]
348 348  
349 349  **Step7: Add the output of the decoder as a field**
350 350  
351 -[[image:image-20240129173541-10.png||height="592" width="968"]]
463 +[[image:image-20240820111259-17.png]]
352 352  
353 353  **Step8: Customize the dashboard and use fields as parameters of the dashboard**
354 354  
355 -[[image:image-20240129174518-11.png||height="147" width="1042"]]
467 +[[image:image-20240820111312-18.png]]
356 356  
357 -[[image:image-20240129174657-12.png||height="538" width="916"]]
469 +[[image:image-20240820111322-19.png]]
358 358  
359 -[[image:image-20240129174840-13.png||height="536" width="750"]]
471 +[[image:image-20240820111333-20.png]]
360 360  
361 361  === 3.4.4 For device have not configured to connect to DataCake ===
362 362  
... ... @@ -383,31 +383,31 @@
383 383  
384 384  The templates for S31-NB and NB95S31B are the same.
385 385  
386 -[[image:image-20230809173127-4.png]]
498 +[[image:image-20240820111353-21.png]]
387 387  
388 388  Please select the NB95S31B template.
389 389  
390 -[[image:image-20230809173310-5.png||height="558" width="926"]]
502 +[[image:image-20240820111405-22.png]]
391 391  
392 -[[image:image-20230809173438-6.png]]
504 +[[image:image-20240820111418-23.png]]
393 393  
394 -[[image:image-20230809173800-7.png]]
506 +[[image:image-20240820111427-24.png]]
395 395  
396 396  Successfully imported template.
397 397  
398 -[[image:image-20230809173835-8.png||height="515" width="860"]]
510 +[[image:image-20240820111438-25.png]]
399 399  
400 400  Users can set UDP port.
401 401  
402 -[[image:image-20230809174053-9.png]]
514 +[[image:image-20240820111448-26.png]]
403 403  
404 404  === 3.5.2 Simulate Connection ===
405 405  
406 406  We have completed the configuration of UDP. We can try sending packets to node red.
407 407  
408 -[[image:image-20230810083934-1.png]]
520 +[[image:image-20240820111504-27.png]]
409 409  
410 -[[image:image-20230810084048-2.png||height="535" width="1052"]]
522 +[[image:image-20240820111515-28.png]]
411 411  
412 412  === 3.5.3 Configure NB-IoT Sensors ===
413 413  
... ... @@ -426,7 +426,7 @@
426 426  
427 427  Create a New Device in [[ThingsBoard>>url:https://thingsboard.cloud/]]. Record Device Name which is used for MQTT connection.
428 428  
429 -[[image:image-20230802112413-32.png||height="583" width="1066"]]
541 +[[image:image-20240820112210-29.png]]
430 430  
431 431  ==== 3.6.1.2 Create Uplink & Downlink Converter ====
432 432  
... ... @@ -436,13 +436,13 @@
436 436  
437 437  To create an uplink converter go to the (% style="color:blue" %)**Integrations center**(%%) -> (% style="color:blue" %)**Data converters**(%%) page and click (% style="color:blue" %)**“plus”** (%%)button. Name it (% style="color:blue" %)**“MQTT Uplink Converter”**(%%) and select type (% style="color:blue" %)"**Uplink"**(%%). Use debug mode for now.
438 438  
439 -[[image:image-20230802112413-33.png||height="597" width="1061"]]
551 +[[image:image-20240820112222-30.png]]
440 440  
441 441  (% style="color:blue" %)**Downlink Converter**
442 442  
443 443  The Downlink converter transforming outgoing RPC message and then the Integration sends it to external MQTT broke
444 444  
445 -[[image:image-20230802112413-34.png||height="598" width="1063"]]
557 +[[image:image-20240820112236-31.png]]
446 446  
447 447  (% style="color:red" %)**Note: Our device payload is already human readable data. Therefore, users do not need to write decoders. Simply create by default.**
448 448  
... ... @@ -450,13 +450,13 @@
450 450  
451 451  Go to the (% style="color:blue" %)**Integrations center**(%%) **->** (% style="color:blue" %)**Integrations page**(%%) and click **“(% style="color:blue" %)plus(%%)”** icon to add a new integration. Name it (% style="color:blue" %)**“MQTT Integration”**(%%), select type (% style="color:blue" %)**MQTT**;
452 452  
453 -[[image:image-20230802112413-35.png||height="597" width="1062"]]
565 +[[image:image-20240820112247-32.png]]
454 454  
455 455  * The next steps is to add the recently created uplink and downlink converters;
456 456  
457 -[[image:image-20230802112413-36.png||height="598" width="1062"]]
569 +[[image:image-20240820112302-33.png]]
458 458  
459 -[[image:image-20230802112413-37.png||height="598" width="1064"]]
571 +[[image:image-20240820112316-34.png]]
460 460  
461 461  (% style="color:blue" %)**Add a topic filter:**
462 462  
... ... @@ -464,13 +464,13 @@
464 464  
465 465  You can also select an MQTT QoS level. We use MQTT QoS level 0 (At most once) by default;
466 466  
467 -[[image:image-20230802112413-38.png||height="598" width="1064"]]
579 +[[image:image-20240820112330-35.png]]
468 468  
469 469  === 3.6.2 Simulate with MQTT.fx ===
470 470  
471 -[[image:image-20230802112413-39.png]]
583 +[[image:image-20240820112340-36.png]]
472 472  
473 -[[image:image-20230802112413-40.png||height="525" width="980"]]
585 +[[image:image-20240820112351-37.png]]
474 474  
475 475  === 3.6.3 Configure NB-IoT Sensor ===
476 476  
... ... @@ -490,11 +490,11 @@
490 490  
491 491  Test Uplink by click the button for 1 second
492 492  
493 -[[image:image-20230802112413-41.png||height="496" width="828"]]
605 +[[image:image-20240820112404-38.png]]
494 494  
495 -[[image:image-20230802112413-42.png]]
607 +[[image:image-20240820112416-39.png]]
496 496  
497 -[[image:image-20230802112413-43.png||height="407" width="825"]]
609 +[[image:image-20240820112426-40.png]]
498 498  
499 499  == 3.7 [[Tago.io>>url:https://admin.tago.io/]] (via MQTT) ==
500 500  
... ... @@ -502,13 +502,13 @@
502 502  
503 503  We use MQTT Connection to send data to [[Tago.io>>url:https://admin.tago.io/]]. We need to Create Device and Get MQTT Credentials first.
504 504  
505 -[[image:image-20230802112413-44.png]]
617 +[[image:image-20240820112516-41.png]]
506 506  
507 -[[image:image-20230802112413-45.png]]
619 +[[image:image-20240820112526-42.png]]
508 508  
509 509  Go to the Device section and create a device. Then, go to the section tokens and copy your device-token.
510 510  
511 -[[image:image-20230802112413-46.png]]
623 +[[image:image-20240820112539-43.png]]
512 512  
513 513  The device needs to enable the TLS mode and set the (% style="color:blue" %)**AT+TLSMOD=1,0**(%%) command.
514 514  
... ... @@ -548,21 +548,21 @@
548 548  
549 549  === 3.7.2 Simulate with MQTT.fx ===
550 550  
551 -[[image:image-20230802112413-52.png]]
663 +[[image:image-20240820112552-44.png]]
552 552  
553 -[[image:image-20230808105300-2.png||height="553" width="1026"]]
665 +[[image:image-20240820112604-45.png]]
554 554  
555 555  Users can run the (% style="color:blue" %)**AT+PRO=3,5**(%%) command, and the payload will be converted to **JSON format**.
556 556  
557 -[[image:image-20230808105217-1.png||height="556" width="1031"]]
669 +[[image:image-20240820112615-46.png]]
558 558  
559 -[[image:image-20230808105329-3.png]]
671 +[[image:image-20240820112626-47.png]]
560 560  
561 561  === 3.7.3 tago data ===
562 562  
563 -[[image:image-20230802112413-50.png||height="242" width="1037"]]
675 +[[image:image-20240820112637-48.png]]
564 564  
565 -[[image:image-20230802112413-51.png||height="184" width="696"]]
677 +[[image:image-20240820112647-49.png]]
566 566  
567 567  == 3.8 TCP Connection ==
568 568  
... ... @@ -576,17 +576,17 @@
576 576  
577 577  (% style="color:blue" %)**Sensor Console Output when Uplink:**
578 578  
579 -[[image:image-20230807233631-1.png]]
691 +[[image:image-20240820112704-50.png]]
580 580  
581 581  (% style="color:blue" %)**See result in TCP Server:**
582 582  
583 -[[image:image-20230807233631-2.png]]
695 +[[image:image-20240820112716-51.png]]
584 584  
585 585  == 3.9 AWS Connection ==
586 586  
587 587  Users can refer to [[Dragino NB device connection to AWS platform instructions>>http://wiki.dragino.com/xwiki/bin/view/Dragino%20NB%20device%20connection%20to%20AWS%20platform%20instructions/#H1.LogintotheplatformandfindIoTcore]]
588 588  
589 -= 4. MQTT/UDP/TCP downlink =
701 += 4. COAP/UDP/MQTT/TCP downlink =
590 590  
591 591  == 4.1 MQTT (via MQTT.fx) ==
592 592  
... ... @@ -610,11 +610,11 @@
610 610  
611 611  (% style="color:red" %)**Note: To uplink and downlink via MQTT.fx, we need set the publish topic and subscribe topic different, for example: AT+SUBTOPIC=SE01_SUB & AT+PUBTOPIC=SE01_PUB.**
612 612  
613 -[[image:image-20240417180145-2.png||height="434" width="587"]][[ width="584">> width="584"]]
725 +[[image:image-20240820112732-52.png]][[image:image-20240820112758-53.png]]
614 614  
615 615  **2. **When the node uplink packets, we can observe the data in MQTT.fx.
616 616  
617 -[[image:image-20240418144337-1.png||height="709" width="802"]]
729 +[[image:image-20240820112813-54.png]]
618 618  
619 619  **3. **The downlink command can be successfully sent only when the downlink port is open.
620 620  
... ... @@ -622,12 +622,30 @@
622 622  
623 623   Therefore, when we see the node uplink packets in the **Subscribe** window, we need to immediately switch to the **publish** window to publish the **hex format** command.
624 624  
625 -[[image:image-20240418150435-3.png||height="582" width="659"]]
737 +[[image:image-20240820112824-55.png]]
626 626  
627 -[[image:image-20240418150932-4.png||height="492" width="1061"]]
739 +[[image:image-20240820112835-56.png]]
628 628  
629 629  (% style="color:red" %)**Note: Users can edit the hex command in advance. When the node uplink, directly click the publish button several times to increase the success rate of command configuration.**
630 630  
743 += 5. GPS positioning function =
744 +
745 +=== 1. Turn on GPS function ===
746 +
747 +(% class="wikigeneratedid" %)
748 +AT+GPS=1 or 0  ~/~/GPS function on or off
749 +
750 +
751 +=== 2.Extend the time to turn on GNSS ===
752 +
753 +AT+GNSST=30  ~/~/GPS search for positioning information for 30 seconds
754 +
755 +
756 +=== 3.Get or set GPS positioning interval in units of hour ===
757 +
758 +AT+GTDC=24  ~/~/The device will activate GPS positioning every 24 hours
759 +
760 +
631 631  = 5. FAQ =
632 632  
633 633  == 5.1 What is the usage of Multi Sampling and One Uplink? ==
... ... @@ -652,7 +652,7 @@
652 652  
653 653  The firmware version released after 2024, Mar will use change back to use Json format. Detail please check changelog.
654 654  
655 -[[image:image-20240229233154-1.png]]
785 +[[image:image-20240820112848-57.png]]
656 656  
657 657  = 6. Trouble Shooting: =
658 658  
... ... @@ -662,11 +662,11 @@
662 662  
663 663  If end device successfully attached NB-IoT Network, User can normally see the signal strengh as below (between 0~~31)
664 664  
665 -[[image:image-20240207002003-1.png]]
795 +[[image:image-20240820112859-58.png]]
666 666  
667 667  If fail to attach network, it will shows signal 99. as below:
668 668  
669 -[[image:image-20240207002129-2.png]]
799 +[[image:image-20240820112908-59.png]]
670 670  
671 671  (% class="lead" %)
672 672  When see this issue, below are the checklist:
... ... @@ -680,13 +680,13 @@
680 680  If you have check all above and still fail. please send console log files (as many as possible) to [[support@dragino.com>>mailto:support@dragino.com]] so we can check.
681 681  
682 682  
683 -== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.4 Why sometime the AT Command is slow in reponse?(%%) ==
813 +== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.2 Why sometime the AT Command is slow in reponse?(%%) ==
684 684  
685 685  When the MCU is communicating with the NB-IoT module, the MCU response of AT Command will become slower, it might takes several seconds to response.
686 686  
687 -[[image:image-20240226111928-1.png]]
817 +[[image:image-20240820113015-60.png]]
688 688  
689 -== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.5 What is the Downlink Command by the NB device?(%%) ==
819 +== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.3 What is the Downlink Command by the NB device?(%%) ==
690 690  
691 691  (% data-sider-select-id="bb6e9353-0c3f-473c-938d-4b416c9a03e6" %)
692 692  === UDP: ===
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