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Author

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1		-XWiki.Edwin
	1	+XWiki.David

Content

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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.