Welcome to 4G Remote Communication Module repository
5.Common AT Commands
Common AT Commands
Common AT CommandsAT Test CommandATE Echo SettingReset ModuleQuery Module InformationQuery Network InformationNetwork Mode Setting (Power-off Save)Set USBPID (Power-off Save)
All AT commands need to add a newline character (\r\n) at the end to take effect, and return OK indicates that the command was executed successfully.
AT Test Command
| Command | Function | Return |
|---|---|---|
| AT | Test | OK |
Example:
ATE Echo Setting
| Command | Function | Return |
|---|---|---|
| ATE1 | Enable echo function, reply content includes AT command content, command execution result and status | OK |
| ATE0 | Disable echo function, only reply command execution result and status, function失效 after restart | OK |
Reset Module
| Command | Function | Return |
|---|---|---|
| AT+CRESET | Restart module | OK |
Query Module Information
| Command | Function | Return |
|---|---|---|
| AT+CGMI | Query module manufacturer | SIMCOM INCORPORATED OK |
| AT+CGMM | Query module model | SIMCOM_SIM7600G-H OK |
| AT+CGSN | Query product serial number | SN code OK |
| AT+CSUB | Query module version and chip | +CSUB: B01V03 +CSUB: MDM9x07_LE20_G-H-M2_22_V1.01_200814 OK |
| AT+CGMR | Query firmware version serial number | +CGMR: LE20B01SIM7600G-H-M2 OK |
Example:
xAT+CGMISIMCOM INCORPORATEDOKAT+CGMMSIMCOM_SIM7600G-HOKAT+CGSN868822040276444OKAT+CSUB+CSUB: B01V03+CSUB: MDM9x07_LE20_G-H-M2_22_V1.01_200814OKAT+CGMR+CGMR: LE20B01SIM7600G-H-M2OK
Query Network Information
| Command | Function | Return |
|---|---|---|
| AT+CSQ | Query network signal quality, return signal value | +CSQ: OK |
| AT+CICCID | Query SIM card ICCID code | +ICCID: OK |
| AT+CPIN? | Query if SIM is recognized | READY OK |
| AT+CREG? | Query network registration status | +CREG: OK |
| AT+COPS? | Query current operator | +COPS: OK |
| AT+CNBP? | Query current optimal frequency band | +CNBP: OK |
| AT+CPSI? | Query UE system information | +CPSI: OK |
| AT+CNSMOD? | Display network system mode | +CNSMOD: OK |
Example:
xxxxxxxxxxAT+CSQ+CSQ: 27,99OKAT+CICCID+ICCID: 89860325157559155962OKAT+CPIN?+CPIN: READYOKAT+CREG?+CREG: 0,1OKAT+COPS?+COPS: 0,0,"CHINA MOBILE CMCC",7OKAT+CNBP?+CNBP: 0x100200000EE80380,0x480000000000000000000000000000000000000000000042000007FFFFDF3FFF,0x000000000000003FOKAT+CPSI?+CPSI: LTE,Online,460-00,0x247F,225247298,241,EUTRAN-BAND40,38950,5,5,-68,-767,-491,24OKAT+CNSMOD?+CNSMOD: 0,8OK
Network Mode Setting (Power-off Save)
| Command | Function | Return |
|---|---|---|
| AT+CNMP? | Query current network mode | +CNMP: 2 OK |
| AT+CNMP=? | Query network mode optional parameters | +CNMP: (2,9,10,13,14,19,22,38,39,48,51,54,59,60,63,67) OK |
| AT+CNMP=2 | Set network mode | OK |
Network mode function correspondence
Set USBPID (Power-off Save)
| Command | Function | Return |
|---|---|---|
| AT+CUSBPIDSWITCH? | Query current USBPID value | +CUSBPIDSWITCH: OK |
| AT+CUSBPIDSWITCH=? | Query USBPID optional parameters | +CNMP: (9000,9001,9002,9003,9011,...),(0-1),(0-1) OK |
| AT+CUSBPIDSWITCH=9001,1,1 | Set USBPID to 9001, for Windows system | OK |
| AT+CUSBPIDSWITCH=9003,1,1 | Set USBPID to 9003, for Windows system | OK |
| AT+CUSBPIDSWITCH=9011,1,1 | Set USBPID to 9011, for Linux system | OK |
Note:
For more detailed AT command introduction, please check the file [Annex] - [AT Command Manual].