Last modified by Mengting Qiu on 2025/07/03 18:55
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... ... @@ -16,9 +16,7 @@ 16 16 17 17 = 2. Attach Network = 18 18 19 -== 2.1 General Configure to attach network == 20 20 21 - 22 22 To attache NB-IoT sensors to NB-IoT Network, You need to: 23 23 24 24 1. Get a NB-IoT SIM card from Service Provider. (Not the same as the SIM card we use in mobile phone) ... ... @@ -43,18 +43,6 @@ 43 43 44 44 45 45 46 -== 2.2 Speed Up Network Attach time == 47 - 48 - 49 -BC660K-GL supports multi bands (% style="color:blue" %)**B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B28/B66/B70/B85. **(%%) It will search one by one and try to attach, this will take a lot of time and even cause attach fail. User can lock the band to specify band for its operator to make this faster. 50 - 51 -(% style="color:#037691" %)**AT+QBAND? ** (%%) ~/~/ Check what is the current used frequency band 52 - 53 -(% style="color:#037691" %)**AT+QBAND=1,4 ** (%%) ~/~/ Set to use 1 frequency band. Band4 54 - 55 -(% style="color:#037691" %)**AT+QBAND=2,8,20** (%%) ~/~/ Set to use 2 frequency bands. Band 8 and Band 20 56 - 57 - 58 58 = 3. Configure to connect to different servers = 59 59 60 60 == 3.1 General UDP Connection == ... ... @@ -201,7 +201,6 @@ 201 201 202 202 ==== 3.3.3.2 Uplink Examples ==== 203 203 204 - 205 205 [[image:image-20230816201942-1.png]] 206 206 207 207 For SE01-NB