Last modified by Mengting Qiu on 2025/03/08 11:35
<
From version < 35.1 >
edited by Mengting Qiu
on 2024/08/19 17:53
To version < 10.1 >
edited by David Huang
on 2024/06/07 16:21
>
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71 71  
72 72  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/]]**
73 73  
74 -=== **1.Configure Frequency Band** ===
74 +**1.Configure Frequency Band**
75 75  
76 76  AT+QCFG="band"[,<GSM_bandval>,<eMTC_bandval>,<NB-IoT_bandval>[,<effect>]]
77 77  
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141 141  AT+QCFG="band",0xF,0x100002000000000f0e189f,0x10004200000000090e189f,1
142 142  
143 143  
144 -=== **2.Configure search network sequence** ===
144 +**2.Configure search network sequence**
145 145  
146 146  AT+QCFG="nwscanseq",<scanseq>,1
147 147  
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154 154  
155 155  AT+QCFG="nwscanseq",02,1  ~/~/Priority search for eMTC
156 156  
157 -=== **3.Configure Network Category to be Searched for under LTE RAT** ===
157 +**3.Configure Network Category to be Searched for under LTE RAT**
158 158  
159 159  AT+QCFG="iotopmode",mode,1
160 160  
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162 162  1 NB-IoT 
163 163  2 eMTC and NB-IoT
164 164  
165 -=== **4.AT command to set frequency band and network category** ===
166 166  
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 -
184 184  = 3. Configure to connect to different servers =
185 185  
186 186  == 3.1 General UDP Connection ==
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203 203  
204 204  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601**  (%%) ~/~/ Set UDP server address and port
205 205  
206 -[[image:image-20240819102802-1.png]]
188 +[[image:image-20230802112413-2.png]]
207 207  
208 208  ==== 3.1.2.2 Uplink Example ====
209 209  
210 -[[image:image-20240819105418-8.png||height="671" width="1414"]]
192 +[[image:image-20230802112413-3.png]]
211 211  
212 212  == 3.2 General COAP Connection ==
213 213  
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224 224  * (% style="color:#037691" %)**AT+URI1=11,"I"**  (%%) ~/~/  Configure CoAP Message Options
225 225  * (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"**    (%%) ~/~/ Configure CoAP Message Options
226 226  
227 -[[image:image-20240819103212-2.png]]
228 -
229 229  === 3.2.1 Uplink Example ===
230 230  
231 -[[image:image-20240819103909-4.png||height="453" width="955"]]
232 232  
233 233  
234 234  == 3.2 General MQTT Connection ==
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253 253  
254 254  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB**  (%%) ~/~/ Set the subscription topic of MQTT
255 255  
256 -[[image:image-20240819105003-7.png||height="613" width="458"]]
235 +[[image:image-20230802112413-4.png]]
257 257  
237 +[[image:image-20230802112413-5.png||height="530" width="987"]]
258 258  
259 -[[image:image-20240819104942-6.png||height="702" width="974"]]
260 -
261 261  (% 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.**
262 262  
263 263  == 3.3 [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) ==
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266 266  
267 267  [[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.
268 268  
269 -[[image:image-20240819173602-1.png||height="401" width="743"]]
247 +[[image:image-20230802112413-6.png||height="336" width="925"]]
270 270  
271 -[[image:image-20240819173706-3.png||height="595" width="597"]]
249 +[[image:image-20230802112413-7.png]]
272 272  
273 273  === 3.3.2 Simulate with MQTT.fx ===
274 274  
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276 276  
277 277  After we got MQTT Credentials, we can first simulate with PC tool MQTT.fx tool to see if the Credentials and settings are fine.
278 278  
279 -[[image:image-20240819173826-4.png||height="534" width="734"]]
257 +[[image:image-20230802112413-8.png]]
280 280  
281 281  * (% style="color:#037691" %)**Broker Address:**(%%) mqtt3.thingspeak.com
282 282  
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290 290  
291 291  ==== 3.3.2.2 Publish Data to ThingSpeak Channel ====
292 292  
293 -[[image:image-20240819174033-5.png]]
271 +[[image:image-20230802112413-9.png]]
294 294  
295 -[[image:image-20240819174209-6.png]]
273 +[[image:image-20230802112413-10.png]]
296 296  
297 297  (% style="color:blue" %)**In MQTT.fx, we can publish below info:**
298 298  
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304 304  
305 305  (% style="color:blue" %)**Result: **
306 306  
307 -[[image:image-20240819174314-7.png||height="469" width="785"]]
285 +[[image:image-20230802112413-11.png||height="539" width="901"]]
308 308  
309 309  === 3.3.3 Configure NB-IoT Sensor for connection ===
310 310  
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326 326  
327 327  ==== 3.3.3.2 Uplink Examples ====
328 328  
329 -[[image:image-20240819174540-8.png]]
307 +[[image:image-20230816201942-1.png]]
330 330  
331 331  For SE01-NB
332 332  
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354 354  
355 355  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.
356 356  
357 -[[image:image-20240819174610-9.png]]
335 +[[image:image-20230802112413-12.png||height="504" width="1011"]]
358 358  
359 -[[image:image-20240819174618-10.png]]
337 +[[image:image-20230802112413-13.png||height="331" width="978"]]
360 360  
361 361  Below is the NB-IoT Product Table show the mapping.
362 362  
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698 698  
699 699  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]]
700 700  
701 -= 4. COAP/UDP/MQTT/TCP downlink =
679 += 4. MQTT/UDP/TCP downlink =
702 702  
703 703  == 4.1 MQTT (via MQTT.fx) ==
704 704  
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742 742  
743 743  = 5. GPS positioning function =
744 744  
745 -=== 1. Turn on GPS function ===
723 +(% class="wikigeneratedid" id="H5.1WhatistheusageofMultiSamplingandOneUplink3F" %)
724 +~1. Turn on GPS function
746 746  
747 747  (% class="wikigeneratedid" %)
748 748  AT+GPS=1 or 0  ~/~/GPS function on or off
749 749  
750 750  
751 -=== 2.Extend the time to turn on GNSS ===
730 +2.Extend the time to turn on GNSS
752 752  
753 753  AT+GNSST=30  ~/~/GPS search for positioning information for 30 seconds
754 754  
755 755  
756 -=== 3.Get or set GPS positioning interval in units of hour ===
735 +3.Get or set GPS positioning interval in units of hour
757 757  
758 758  AT+GTDC=24  ~/~/The device will activate GPS positioning every 24 hours
759 759  
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