I am unable to get a signal using AT+CSQ It was working fine until a couple of days ago but now it almost always returns +CSQ: 99,99 I am not sure if something has inadvertently been reset. Very occasionally it does get a signal and I can move on to AT+CEREG but this only ever returns +CEREG: 0,…

Unable to get a signal using HL7800 dev board

jyijyi July 1, 2024, 2:49pm 21

then why don’t you just use CID 2?

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