Changes for page General Manual for -CB , -CS models
Last modified by Mengting Qiu on 2025/03/08 11:35
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... ... @@ -51,11 +51,11 @@ 51 51 |(% style="width:117px" %)China Mobile|(% style="width:151px" %)No need configure|(% style="width:406px" %)China Mainland, HongKong|(% style="width:351px" %) |(% style="width:120px" %) 52 52 |(% style="width:117px" %)China Telecom|(% style="width:151px" %)ctnb|(% style="width:406px" %)China Mainland|(% style="width:351px" %) |(% style="width:120px" %) 53 53 54 - 55 55 == 2.2 Speed Up Network Attach time == 56 56 57 57 **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**. 58 58 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. 59 59 60 60 Attache to 1NCE card for Australia use: 61 61 ... ... @@ -71,8 +71,98 @@ 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 74 76 +AT+QCFG="band"[,<GSM_bandval>,<eMTC_bandval>,<NB-IoT_bandval>[,<effect>]] 75 75 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 + 76 76 = 3. Configure to connect to different servers = 77 77 78 78 == 3.1 General UDP Connection == ... ... @@ -101,6 +101,25 @@ 101 101 102 102 [[image:image-20230802112413-3.png]] 103 103 194 +== 3.2 General COAP Connection == 195 + 196 +The NB-IoT Sensor can send packet to server use COAP protocol. 197 + 198 +Below are the commands. 199 + 200 +(% style="color:blue" %)**AT Commands:** 201 + 202 +* (% style="color:#037691" %)**AT+PRO=1,0** (%%) ~/~/ Set to use COAP protocol to uplink, Payload Type select Hex payload. 203 + 204 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683** (%%) ~/~/ Set COAP server address and port 205 + 206 +* (% style="color:#037691" %)**AT+URI1=11,"I"** (%%) ~/~/ Configure CoAP Message Options 207 +* (% style="color:#037691" %)**AT+URI2=11,"aaa05e26-4d6d-f01b-660e-1d8de4a3bfe1"** (%%) ~/~/ Configure CoAP Message Options 208 + 209 +=== 3.2.1 Uplink Example === 210 + 211 + 212 + 104 104 == 3.2 General MQTT Connection == 105 105 106 106 The NB-IoT Sensor can send packet to server use MQTT protocol.