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Issue of Industrial GSM Modems-USR-GPRS232-730

Q:GSM Modems-USR-GPRS232-730 does not connect, at the AT command AT + CIMI comes the answer ERROR 58.

Data from the module is not read. Reset to factory settings, now there are no settings. What can be done?


connect issue of USR-GPRS232-730


issue of USR-GPRS232-730


A:if  GSM Modems-USR-GPRS232-730 does not connect, at the AT command AT + CIMI comes the answer ERROR 58. error 58 means invalid command or command format error.

You can use the wrong software, and if you want to use extension commands, you should send AT+WKMOD="CMD" first.






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