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Author

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1		-XWiki.David
	1	+XWiki.Edwin

Content

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23	23	1. Power On End Node
24	24	1. [[Configure APN>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20configure%20APN%20in%20the%20node/]] in the sensor (AT+APN=<APN>), example AT+APN=iot.1nce.net
25	25
26		-[[image:image-20240602220856-1.png]]
	26	+[[image:image-20240208102804-1.png||height="286" width="696"]]
27	27
	28	+[[image:image-20230808205045-1.png||height="293" width="438"]]
28	28
29		-放一张如何插卡图片。
30		-
31		-
32	32	After doing above, the end nodes should be able to attach to NB-IoT network .
33	33
34	34	The -CB and -CS models support (% style="color:blue" %)**LTE Cat NB2 and LTE-M (CAT-M1)**(%%), with below frequency band: multiple frequency bands of
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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
	52	+
54	54	== 2.2 Speed Up Network Attach time ==
55	55
56	56	**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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61	61	* AT+COPS=1,2,"50501",8
62	62	* AT+QCFG="band",0,0x8000000,0x8000000,1
63	63
	63	+
64	64	After connection is successful, user can use (% style="color:#037691" %)**AT+QENG="servingcell"**(%%) to check which band is actually in used.
65	65
66	66	AT+QENG="servingcell"
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100	100
101	101	[[image:image-20230802112413-3.png]]
102	102
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		-
123	123	== 3.2 General MQTT Connection ==
124	124
125	125	The NB-IoT Sensor can send packet to server use MQTT protocol.