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Changes for page Debug NB-IoT Connection

Last modified by Xiaoling on 2024/08/19 16:09
From version 6.1
edited by Xiaoling
on 2022/05/30 09:38
Change comment: There is no comment for this version
To version 5.1
edited by Xiaoling
on 2022/05/30 09:38
Change comment: Uploaded new attachment "image-20220530093821-4.png", version {1}

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... ... @@ -1,6 +1,6 @@
1 -= **For BC95-G** =
1 += For BC95-G =
2 2  
3 -**~1. Check the reason why you can't access the network:**
3 +~1. Check the reason why you can't access the network:
4 4  
5 5  1) AT+CEREG=5
6 6  
... ... @@ -8,12 +8,10 @@
8 8  
9 9  3) Mainly check the two parameters cause_type and reject_case
10 10  
11 +[[image:https://wiki.dragino.com/images/1/19/BC-95-G1.png||alt="BC-95-G1.png" height="366" width="558"]]
11 11  
12 -[[image:image-20220530093747-3.png]]
13 +2. Network access operation:
13 13  
14 -
15 -**2. Network access operation:**
16 -
17 17  1) AT+CFUN=0
18 18  
19 19  2) AT+NBAND=X ~/~/X means the local frequency band number
... ... @@ -22,11 +22,10 @@
22 22  
23 23  4) After waiting for a period of time, you can use AT+CSQ to query the network access
24 24  
25 -[[image:image-20220530093821-4.png]]
23 +[[image:https://wiki.dragino.com/images/2/24/BC-95-G2.png||alt="BC-95-G2.png" height="365" width="558"]]
26 26  
25 +Remarks:
27 27  
28 -**Remarks:**
29 -
30 30  ~1. The operating voltage of the SIM card used must be less than 3.0V
31 31  
32 32  2. The network access time varies with the signal strength