TRM282 AT Commands

Telit LE910C4-WWXD AT Commands

Command	Description
AT	Test – checks if modem is alive
ATI	Display identification info
AT+CGMI / AT#CGMI	Get manufacturer identification
AT+CGMM / AT#CGMM	Get model identification
AT+CGMR / AT#CGMR	Get firmware revision
AT+CGSN / AT#CGSN	Get IMEI number
AT#SWPKGV	Get full software package version
AT#HWREV	Get hardware revision
AT#CGMF	Get product code
AT#TID	Get Telit module ID
AT#IMEISV	Get IMEI + software version number
ATZ	Soft reset (restore saved profile)
AT#Z	Extended reset
AT&F	Restore factory-defined configuration
AT&W	Store current configuration to profile
AT&V	Display current configuration and profile
ATE0 / ATE1	Disable / Enable command echo
AT+CMEE=1	Enable verbose +CME ERROR codes
AT+CLAC	List all available AT commands
AT#RESETINFO	Read reason for most recent reset or power-down
AT#EXCEPINFO	Read exception/crash information

Command	Description
AT+CIMI	Get IMSI number
AT#CCID	Get ICCID (SIM card serial number)
AT+CPIN?	Check SIM PIN status
AT+CPIN="1234"	Enter SIM PIN
AT+CPWD="SC","old","new"	Change SIM PIN
AT+CLCK="SC",2	Query SIM lock status
AT#FWAUTOSIM	Configure automatic firmware/carrier switch by SIM

Command	Description
AT+CREG?	GSM network registration status
AT+CGREG?	GPRS registration status
AT+CEREG?	LTE/EPS network registration status
AT+COPS?	Show currently selected operator
AT+COPS=?	Scan available operators
AT+COPS=0	Automatic operator selection
AT+COPS=1,2,"26001"	Manual operator selection by MCC/MNC
AT+CSQ	Signal quality (RSSI + BER)
AT+CESQ	Extended signal quality (RSRP, RSRQ, SINR)
AT+CIND?	Read modem indicators (signal, service, roaming…)
AT#CIND?	Telit extended indicator control reader
AT+CPAS	Phone activity status

Command	Description
AT+CGDCONT?	List defined PDP contexts
AT+CGDCONT=1,"IP","your.apn"	Define PDP context with APN (IPv4)
AT+CGDCONT=1,"IPV4V6","your.apn"	Define dual-stack PDP context (IPv4+IPv6)
AT+CGACT?	Show active PDP contexts
AT+CGACT=1,1	Activate PDP context 1
AT+CGACT=0,1	Deactivate PDP context 1
AT+CGPADDR=1	Show assigned IP address for context 1
AT+CGCONTRDP=1	Read dynamic params (IP, DNS, gateway) for context 1
AT+CGAUTH=1,1,"user","pass"	Set PAP/CHAP authentication for a PDP context
AT#PDPAUTH	Set PDP authentication parameters (Telit method)
AT#OVERRIDEPDP	Override default PDP type for LTE (home/roaming)
AT#IMSPDPSET	Set IMS PDP APN name

Command	Description
AT+CFUN?	Get current functionality level
AT+CFUN=0	Minimum functionality (RF off)
AT+CFUN=1	Full functionality
AT+CFUN=4	Flight mode (RF disabled)
AT+CFUN=1,1	Reset the module
AT#FWSWITCH	Switch active firmware image (e.g. between carrier profiles)
AT#SELINT	Select interface style (important for compatibility)

Command	Description
ATD+37060000000;	Dial a voice call
ATA	Answer incoming call
ATH	Hang up
AT+CHUP	Hang up call (Telit preferred method)
AT+CLCC	List current active calls
AT+CLIP=1	Enable caller ID presentation
AT+VTS="1"	Send DTMF tone
AT#ECAM	Extended call monitoring (Telit-specific)
AT+CVHU=0	Voice hang-up control

Command	Description
AT+IPR?	Get current UART baud rate
AT+IPR=115200	Set UART baud rate
AT+IFC=2,2	Enable RTS/CTS hardware flow control
AT+CMUX=0	Enable CMUX multiplexing
AT#CMUXMODE	Set CMUX mode (Telit extension)
AT#USBCFG	Configure USB port mapping
AT#PORTCFG	Map physical ports to service access points
AT#NOPT	Configure notification port

Command	Description
AT+CFUN=0	Minimum functionality / RF off
AT+CFUN=4	Flight mode
AT+CFUN=1,1	Full reset
AT+CPSMS	Configure Power Saving Mode (PSM)
AT+CEDRXS	Configure eDRX mode
AT#PSMRI	Power Saving Mode ring indicator config
AT#CDORM	Dormant control (force dormant state)

Command	Description
AT+CEER	Extended error report (last call/connection failure reason)
AT#CEERURC	Extended error report via unsolicited response (URC)
AT+CGCONTRDP=1	Dynamic PDP context info (IP, DNS, gateway)
AT#TRACE	Enable/disable internal trace output
AT&V2	Display last connection statistics
AT#RESETINFO	Read last reset/power-down reason
AT#EXCEPINFO	Read exception/crash info
AT#CQI	HSDPA channel quality indication