The test command returns supported values as compound values.
Response syntax:
+CESQ: (list of supported <rxlev>s),(list of supported <ber>s),(list of supported <rscp>s),(list of supported <ecno>s),(list of supported <rsrq>s),(list of supported <rsrp>s)The following command example returns supported values as compound values:
AT+CESQ=?
+CESQ: (99),(99),(255),(255),(0-34,255),(0-97,255)
OK