Wiki source code of CSQ:99,99
Version 6.1 by Edwin Chen on 2023/04/23 22:38
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1 | = **Introduction** = | ||
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3 | ---- | ||
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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. | ||
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7 | ((( | ||
8 | Below is the definition for the (% style="color:blue" %)**AT+CSQ** | ||
9 | ))) | ||
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11 | [[image:image-20220530094441-1.png]] | ||
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13 | CSQ Definition | ||
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17 | (% style="color:red" %)**In this case, you can check:** | ||
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19 | * Whether the antenna connection is good. | ||
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21 | * Whether you use a valid SIM Card | ||
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23 | * Whether you the SIM card place correctly. | ||
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25 | * Whether the NB-IoT Network you use match the End Device Module support network. | ||
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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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