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Last modified by Xiaoling on 2023/04/24 08:49
From version 4.1
edited by Xiaoling
on 2022/05/30 09:46
Change comment: There is no comment for this version
To version 1.2
edited by Xiaoling
on 2022/05/17 15:15
Change comment: There is no comment for this version

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1 -When you use NB-IoT module and run the command AT+CSG=99,99. It means the device doesn't attached to the NB-IoT network. If attached to network, the first 99 should be 2~~31.
2 -
3 -(((
4 -Below is the definition for the **AT+CSQ**
5 -)))
6 -
7 -[[image:image-20220530094441-1.png]]
8 -
9 -CSQ Definition
10 -
11 -
12 -In this case, you can check:
13 -
14 -* Whether the antenna connection is good.
15 -* Whether you use a valid SIM Card
16 -* Whether you the SIM card place correctly.
17 -* Whether the NB-IoT Network you use match the End Device Module support network.
18 -* Whether you have select the correct band for your operator. See [[Specify_NB-IoT_Band>>doc:Main.Specify NB-IoT Band.WebHome]]
image-20220530094441-1.png
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1 -XWiki.Xiaoling
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1 -72.6 KB
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