Wiki source code of CSQ:99,99

Version 6.1 by Edwin Chen on 2023/04/23 22:38

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Xiaoling 5.3 1 = **Introduction** =
Xiaoling 5.2 2
Xiaoling 5.3 3 ----
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Xiaoling 5.4 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.
Xiaoling 1.3 6
Xiaoling 1.4 7 (((
Xiaoling 5.2 8 Below is the definition for the (% style="color:blue" %)**AT+CSQ**
Xiaoling 1.4 9 )))
Xiaoling 1.3 10
Xiaoling 4.1 11 [[image:image-20220530094441-1.png]]
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13 CSQ Definition
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Xiaoling 4.1 15
Xiaoling 5.1 16
Xiaoling 5.2 17 (% style="color:red" %)**In this case, you can check:**
Xiaoling 1.3 18
19 * Whether the antenna connection is good.
Xiaoling 5.4 20
Xiaoling 1.3 21 * Whether you use a valid SIM Card
Xiaoling 5.4 22
Xiaoling 1.3 23 * Whether you the SIM card place correctly.
Xiaoling 5.4 24
Xiaoling 1.3 25 * Whether the NB-IoT Network you use match the End Device Module support network.
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Xiaoling 4.1 27 * 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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