Changes for page General Manual for -CB , -CS models
Last modified by Mengting Qiu on 2025/03/08 11:35
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... ... @@ -162,7 +162,25 @@ 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** === 165 165 167 +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 + 166 166 = 3. Configure to connect to different servers = 167 167 168 168 == 3.1 General UDP Connection == ... ... @@ -185,7 +185,7 @@ 185 185 186 186 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601** (%%) ~/~/ Set UDP server address and port 187 187 188 -[[image:image-202 30802112413-2.png]]206 +[[image:image-20240819102802-1.png]] 189 189 190 190 ==== 3.1.2.2 Uplink Example ==== 191 191 ... ... @@ -206,8 +206,11 @@ 206 206 * (% style="color:#037691" %)**AT+URI1=11,"I"** (%%) ~/~/ Configure CoAP Message Options 207 207 * (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"** (%%) ~/~/ Configure CoAP Message Options 208 208 227 +[[image:image-20240819103212-2.png]] 228 + 209 209 === 3.2.1 Uplink Example === 210 210 231 +[[image:image-20240819103909-4.png||height="453" width="955"]] 211 211 212 212 213 213 == 3.2 General MQTT Connection == ... ... @@ -232,10 +232,11 @@ 232 232 233 233 * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB** (%%) ~/~/ Set the subscription topic of MQTT 234 234 235 -[[image:image-202 30802112413-4.png]]256 +[[image:image-20240819105003-7.png||height="613" width="458"]] 236 236 237 -[[image:image-20230802112413-5.png||height="530" width="987"]] 238 238 259 +[[image:image-20240819104942-6.png||height="702" width="974"]] 260 + 239 239 (% 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.** 240 240 241 241 == 3.3 [[ThingSpeak>>url:https://thingspeak.com/]] (via MQTT) ==
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