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Last modified by Xiaoling on 2023/04/24 08:49
From version 5.3
edited by Xiaoling
on 2022/07/22 17:11
Change comment: There is no comment for this version
To version 4.1
edited by Xiaoling
on 2022/05/30 09:46
Change comment: There is no comment for this version

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1 -= **Introduction** =
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3 -----
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5 5  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.
6 6  
7 7  (((
8 -Below is the definition for the (% style="color:blue" %)**AT+CSQ**
4 +Below is the definition for the **AT+CSQ**
9 9  )))
10 10  
11 11  [[image:image-20220530094441-1.png]]
... ... @@ -13,13 +13,10 @@
13 13  CSQ Definition
14 14  
15 15  
12 +In this case, you can check:
16 16  
17 -(% style="color:red" %)**In this case, you can check:**
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19 19  * Whether the antenna connection is good.
20 20  * Whether you use a valid SIM Card
21 21  * Whether you the SIM card place correctly.
22 22  * Whether the NB-IoT Network you use match the End Device Module support network.
23 23  * Whether you have select the correct band for your operator. See [[Specify_NB-IoT_Band>>doc:Main.Specify NB-IoT Band.WebHome]]
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25 -