Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.02 5 2017-12-18
4.1 Overview of AT Commands According to 3GPP TS 27.005 ......................... 56
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 ...... 56
4.2.1 AT+CMGD Delete SMS Message ....................................................................... 56
4.2.2 AT+CMGF Select SMS Message Format ............................................................ 57
4.2.3 AT+CMGL List SMS Messages from Preferred Store ......................................... 58
4.2.4 AT+CMGR Read SMS Message .......................................................................... 61
4.2.5 AT+CMGS Send SMS Message .......................................................................... 64
4.2.6 AT+CMGW Write SMS Message to Memory ..................................................... 65
4.2.7 AT+CMSS Send SMS Message from Storage ..................................................... 67
4.2.8 AT+CNMI New SMS Message Indications ......................................................... 68
4.2.9 AT+CPMS Preferred SMS Message Storage ....................................................... 70
4.2.10 AT+CRES Restore SMS Settings ......................................................................... 71
4.2.11 AT+CSAS Save SMS Settings ............................................................................. 72
4.2.12 AT+CSCA SMS Service Center Address ............................................................. 73
4.2.13 AT+CSDH Show SMS Text Mode Parameters .................................................... 74
4.2.14 AT+CSMP Set SMS Text Mode Parameters ........................................................ 74
4.2.15 AT+CSMS Select Message Service ..................................................................... 75
5 AT Commands Special for SIMCom ................................................. 77
5.1 Overview ........................................................................................................ 77
5.2 Detailed Descriptions of Commands ............................................................. 78
5.2.1 AT+CPOWD Power off ....................................................................................... 78
5.2.2 AT+CADC Read ADC ........................................................................................ 78
5.2.3 AT+CFGRI Indicate RI When Using URC ......................................................... 79
5.2.4 AT+CLTS Get Local Timestamp ......................................................................... 79
5.2.5 AT+CBAND Get and Set Mobile Operation Band .............................................. 81
5.2.6 AT+CNBP Set the state of the band preference ................................................... 82
5.2.7 AT+CNSMOD Show network system mode........................................................... 84
5.2.8 AT+CSCLK Configure Slow Clock ..................................................................... 84
5.2.9 AT+CCID Show ICCID ....................................................................................... 85
5.2.10 AT+CDEVICE View Current Flash Device Type ............................................... 86
5.2.1
1 AT+GSV Display Product Identification Information.......................................... 86
5.2.12 AT+SGPIO Control the GPIO .............................................................................. 86
5.2.13 AT+SLEDS Set the Timer Period of Net Light .................................................... 87
5.2.14 AT+CNETLIGHT Close the Net Light or Open It to Shining ............................. 88
5.2.15 AT+CSGS Netlight Indication of GPRS Status ................................................... 89
5.2.16 AT+CGPIO Control the GPIO by PIN Index ....................................................... 90
5.2.17 AT+CBATCHK Set VBAT Checking Feature ON/OFF ..................................... 90
5.2.18 AT+CNMP Preferred mode selection .................................................................. 91
5.2.19 AT+CMNB Preferred selection between CAT-M and NB-IoT ........................... 92
5.2.20 AT+CPSMS Power Saving Mode Setting............................................................ 92
5.2.21 AT+CEDRXS Entended-DRX Setting ................................................................ 94
5.2.22 AT+CPSI Inquiring UE system information ........................................................ 95
5.2.23 AT+CGNAPN Get Network APN in CAT-M Or NB-IOT ................................... 96
