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Yes,I have tried to use commands for the same pdf itself like AT+CREG?,AT+CSQ,AT+CPIN=1234. But it still gives me ERROR.The modem is working fine.As I checked this for sending SMS from Ozeki gateway to any mobile.But cannot figure out the issue with AT commands.Please help.
hi,
I am using Fargo Maestro 20 modem.I am able to send only some AT command to it from hyperterminal like AT,ATE1,the modem replies OK.But if i try AT+ commands it gives error.
I tried checking with 3 different SIM cards,it gives error of all AT+ commands.
What might be the issue?
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