XT55 AT Command Set - Wireless Data Modules

XT55 AT Command Set8.5 AT+CSQs8.5 AT+CSQ Signal qualityThe AT+CSQ execute command indicates the received signal strength and the channel bit error rate.SyntaxTest CommandAT+CSQ=?Response(s)+CSQ: (list of supporteds), (list of supporteds)OKExec CommandAT+CSQResponse(s)+CSQ: ,OKReference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge LastGSM 07.07 ! % % % % % ! ! !Parameter Description (num)0 -113 dBm or less1 -111 dBm2..30 -109... -53 dBm31 -51 dBm or greater99 not known or not detectable (num)To check the bit error rate there must be a call in progress to obtain realistic values. If no call is set up, there isno BER to be determined. In this case the indicated value may be 0 or 99, depending on the SIM card.0..7 as RXQUAL values in the table in GSM 05.08 section 8.2.4.99 not known or not detectableNote• After using network related commands such as AT+CCWA, AT+CCFC, AT+CLCK, users are advised to wait 3sbefore entering AT+CSQ. This is recommended to be sure that any network access required for the precedingcommand has finished.XT55_ATC_V03.03 Page 170 of 459 9/9/05Confidential / Released