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2.35 AT+CSQ, Signal quality At Command at+csq Reaction +CSQ: <rssi>,<ber> Remark <rssi> 0 - 0 Bars 1 - 1 Bar 10 - 2 Bars 20 - 3 Bars 30 - 4 Bars 31 - 5 Bars <ber> (in percent) 99 Not known or detectable at+csq +CSQ: 030 ,099 OK at+CSQ=? +CSQ: (000-031,099), (099) // Note: Ber information not supported 2.36 AT+CEER, Extended error report Command at+CEER at+CEER=? At+CEER? Response +CEER: <report> OK Error at+ceer=? OK at+ceer? ERROR at+ceer +CEER:"No information available" OK g18 Modem Integration and Application Developers Guide version 2.0 Page 155