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Changes for page Debug NB-IoT Connection

Last modified by Xiaoling on 2024/08/19 16:09
From version 1.1
edited by Xiaoling
on 2022/05/17 15:10
Change comment: There is no comment for this version
To version 7.2
edited by Xiaoling
on 2022/07/22 16:59
Change comment: There is no comment for this version

Summary

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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 += **For BC95-G** =
4 4  
5 -= Paragraph 1 =
6 6  
7 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
4 +(% style="color:blue" %)**1. Check the reason why you can't access the network:**
8 8  
9 -== Sub-paragraph ==
6 +1) AT+CEREG=5
10 10  
11 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
8 +2) AT+CEREG? ~/~/This process may be longer, please repeat the input
12 12  
13 -== Sub-paragraph ==
10 +3) Mainly check the two parameters cause_type and reject_case
14 14  
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16 16  
17 -=== Sub-sub paragraph ===
13 +[[image:image-20220530093747-3.png]]
18 18  
19 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
20 20  
16 +(% style="color:blue" %)**2. Network access operation:**
21 21  
22 -= Paragraph 2 =
18 +1) AT+CFUN=0
23 23  
24 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
20 +2) AT+NBAND=X ~/~/X means the local frequency band number
25 25  
26 -== Sub-paragraph ==
22 +3) AT+NRB
27 27  
28 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
24 +4) After waiting for a period of time, you can use AT+CSQ to query the network access
29 29  
30 -== Sub-paragraph ==
26 +[[image:image-20220530093821-4.png]]
31 31  
32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
28 +
29 +(% style="color:blue" %)**Remarks:**
30 +
31 +~1. The operating voltage of the SIM card used must be less than 3.0V
32 +
33 +2. The network access time varies with the signal strength
34 +
35 +3. If you have not been able to access the network, please try to access the network manually
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