N20AT Command ManualCopyright © Neoway Technology Co., Ltd 11315.4 Obtaining the CCID of the SIM Card: $MYCCIDDescription To obtain the circuit card identifier (CCID) of the SIM cardFormat AT$MYCCIDParameter N/AReturn Value$MYCCID: OK: The CCID of the SIM card, character string type.ExampleAT$MYCCID$MYCCID: "89860112965403839541"OKAT$MYCCIDERRORQuery the CCID of the SIM card.Error is returned because no SIM card isinstalled.Remarks N/A15.5 Querying the Type of the Module: $MYMODEM (CSGStandard)Description To query the type of the moduleFormat AT$MYMODEM?Parameter N/AReturn Value$MYMODEM: ,OK: Work mode. Extensible bytes are indicated by bit.1 at bit 0: supporting transparent mode1 at bit 1: supporting non-transparent mode: Network type. Extensible bytes are indicated by bit, 16-bit1 at bit 0: GPRS1 at bit 1: CDMA network
