<
From version < 7.1 >
edited by Edwin Chen
on 2024/06/02 22:10
To version < 8.1 >
edited by David Huang
on 2024/06/07 14:59
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
1 +XWiki.David
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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**.
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101 101  
102 102  [[image:image-20230802112413-3.png]]
103 103  
103 +== 3.2 General COAP Connection ==
104 +
105 +The NB-IoT Sensor can send packet to server use COAP protocol.
106 +
107 +Below are the commands.
108 +
109 +(% style="color:blue" %)**AT Commands:**
110 +
111 +* (% style="color:#037691" %)**AT+PRO=1,0**   (%%) ~/~/ Set to use COAP protocol to uplink, Payload Type select Hex payload.
112 +
113 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683** (%%) ~/~/ Set COAP server address and port
114 +
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
117 +
118 +(% class="wikigeneratedid" %)
119 +=== 3.2.1 Uplink Example ===
120 +
121 +
122 +
104 104  == 3.2 General MQTT Connection ==
105 105  
106 106  The NB-IoT Sensor can send packet to server use MQTT protocol.
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