Changes for page Debug NB-IoT Connection

Last modified by Xiaoling on 2024/08/19 16:09

From version 7.5
edited by Xiaoling
on 2023/04/14 10:10
Change comment: There is no comment for this version
To version 6.1
edited by Xiaoling
on 2022/05/30 09:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,13 +1,10 @@
1 1  = **For BC95-G** =
2 2  
3 -----
3 +**~1. Check the reason why you can't access the network:**
4 4  
5 -
6 -(% style="color:blue" %)**1. Check the reason why you can't access the network:**
7 -
8 8  1) AT+CEREG=5
9 9  
10 -2) AT+CEREG?  ~/~/  This process may be longer, please repeat the input
7 +2) AT+CEREG? ~/~/This process may be longer, please repeat the input
11 11  
12 12  3) Mainly check the two parameters cause_type and reject_case
13 13  
... ... @@ -15,21 +15,20 @@
15 15  [[image:image-20220530093747-3.png]]
16 16  
17 17  
18 -(% style="color:blue" %)**2. Network access operation:**
15 +**2. Network access operation:**
19 19  
20 20  1) AT+CFUN=0
21 21  
22 -2) AT+NBAND=X  ~/~/  X means the local frequency band number
19 +2) AT+NBAND=X ~/~/X means the local frequency band number
23 23  
24 24  3) AT+NRB
25 25  
26 26  4) After waiting for a period of time, you can use AT+CSQ to query the network access
27 27  
28 -
29 29  [[image:image-20220530093821-4.png]]
30 30  
31 31  
32 -(% style="color:blue" %)**Remarks:**
28 +**Remarks:**
33 33  
34 34  ~1. The operating voltage of the SIM card used must be less than 3.0V
35 35