4 General A T Commands

AT Command List

Command Success System Response Error System Response Description
AT OK
AT+CGMI ? OK Manufacture Identification
AT+CGMM ? OK Model Identification
AT+CGSN OK Serial Number
AT+CIMI OK +CME ERROR: (if error is related to ME Functionality) Request International Mobile Subscriber Identity
ATI < product information>OK ?Product Identification Information
AT+CSQ +CSQ: , OK 0 -?? 115 dBm or less 1-??? 111 dBm? 2..30-? 110... -54 dBm 31-?? 52 dBm or greater 99- not known or not detectable 0...7 As RXQUAL values in the table in GSM 05.08 [20] subclause 7.2.4 99 Not known or not detectable +CME ERROR: (if error is related to ME Functionality) Signal Quality Report
AT+CBC +CBC: , ?Charge status 0 ME - not charging1 ME - charging 2 Charging has finished Battery connection level 1...100 battery has 1-100 percent of capacity remaining vent Battery voltage(mV) +CME ERROR: (if error is related to ME Functionality Battery Charge
AT+GSV OK Display Product Identification Information
AT+CCLK=? OK ERROR Clock Test Command
AT+CCLK? +CCLK: ?+CME ERROR: (if error is related to ME Functionality) Clock Execution Command
AT+GCAP +GCAP: ?OK Device Capabilities
AT+CPIN=? OK ERROR Enter Pin
AT+CPIN? OKREADY- MT is not pending for any password SIM PIN - MT? is waiting SIM PIN to be given SIM PUK? - MT is waiting for SIM PUK to be given PH_SIM PIN - ME is waiting for phone to SIM card (antitheft) PH_SIM PUK - ME is waiting for SIM PUK (antitheft) SIM PIN2 - PIN2, e.g. for editing the FDN book possible only Enter Pin
AT+CGACT? +CGACT: , OK ?Indicates the state of PDP context activation 0 Deactivated 1 Activated Particular PDP Contex Definition PDP Context Activate or Deactivate?
AT+CGNSPWR=1 OK ERROR Turn on GNSS power
AT+CGNSPWR=0 OK ERROR Turn off GNSS power
AT+CGNSINF +CGNSINF: , , , , , , , OK ERROR GNSS navigation information
AT&F OK ERROR Factory Reset
AT+COPS=? +COPS: (list of supported , long alphanumeric ,short alphanumeric ,numeric , s[,,(list of supported ),(list of supported )] ?Returns a list of quadruplets, each representing an operator present in the network
AT+CREG? +CREG: , [ , , ] Network Registration, shows whether the network has currently indicated the registration of the ME
AT+CGATT=? +CGATT: (list of supported s)OK Indicates the state of GPRS attachment 0 Detached 1 Attached Indicates if device is attach or detach from GPRS Service
AT+CNSMOD=? +CNSMOD: (list of supported s)OK 0 - Disable auto report the network system mode information 1 -? Auto report the network system mode information, command: Show network system mode
AT+CGATT= OK Indicates the state of GPRS attachment 0 Detached 1 Attached
AT+CNMP=? +CNMP: (list of supported OK 2 Automatic 13 GSM only 38 LTE only 51 GSM and LTE only Preferred Mode selection
AT+CMNB=? +CMNB: (list of supported ?)?OK 1 CAT-M 2 NB- Iot 3 CAT-M and NB-IoT Preferred selection between CAT-M and NB-IoT
AT+CPSI=? OK Test Command for Inquiring UE system information
AT+CPSI? If camping on a gsm cell:+CPSI: , , - , , , , , , OKIf camping on a CAT-M or NB-IOT cell:+CPSI: , , - , , , , , , , , , , , OKIf no service: +CPSI: NO SERVICE,Online System mode."NO SERVICE""GSM""LTE CAT-M1""LTE NB-IOT" UE operation mode."Online","Offline","Factory Test Mode","Reset","Low Power Mode". Mobile Country Code (first part of the PLMN code) Mobile Network Code (second part of the PLMN code) Location Area Code (hexadecimal digits) Service-cell Identify AFRCN for service-cell. Track LO Adjust Coefficient for base station selection Coefficient for Cell re-selection Tracing Area Code Serving Cell ID Physical Cell ID Frequency Band of active set E-UTRA absolute radio frequency channel number for searching CAT-M or NB-IOT cells Transmission bandwidth configuration of the serving cellon the downlink Transmission bandwidth configuration of the serving cell on the uplink Current reference signal received power.Available for CAT-M or NB-IOT. Current reference signal receive quality as measured by L1. Current Received signal strength indicator Average reference signal signal-to-noise ratio of the serving cell +CME ERROR: (if error is related to ME Functionality) Read Command for Inquiring UE system information
AT+CGATT? +CGATT: OK Indicates the state of GPRS attachment0 Detached1 Attached Other values are reserved and will result in an ERROR response to theWrite Command. Attach or Detach from GPRS Service
AT+CBANDCF G=? +CBANDCFG: (CAT-M,NB-IOT),(list of supported s) string type; network system mode.?CAT-M? LTE Cat.M1(eMTC)?NB-IOT? Narrow Band Internet of Things Integer type;The value of is? the band list ofgetting from AT+CBANDCFG=? OK
AT+HTTPINIT OK +CME ERROR: (if error is related to ME Functionality Initialize HTTP Service
AT+HTTPTERM OK +CME ERROR: (if error is related to ME Functionality Terminate HTTP Service
AT+HTTPPARA? +HTTPPARA: , OK Set HTTP Parameters Value
AT+HTTPDATA=? +HTTPDATA: (list of supported ) ,(list of supported Input HTTP Data
AT+HTTPACTION +HTTPACTION: (0-3)OK HTTP Method Action
AT+HTTPREAD=? +HTTPREAD: (list of supported ),(list of supported ) OK Read the HTTP Server Response
AT+HTTPSTATUS? +HTTPSTATUS: , , , OK GETPOST HEAD 0 idle 1 receiving2 sending The amount of data which have been transmitted The amount of data remaining to be sent or received +CME ERROR: (if error is related to ME Functionality Read HTTP Status
AT+CIPPING? +CIPPING: , , , OK ?The number of Ping Echo Requset to send 1-100 Default: 4 The length of Ping Echo Request data 0-1024 Default: 8 The timeout, in units of 100 ms, waiting for a single Echo Reply 1-600 Default: 100(10 seconds) Time to live 1-255 Default: 64 PING Request
AT+CPOWD= 0 Power off urgently (Will not send out NORMAL POWERDOWN)1 Normal power off (Will send out NORMAL POWERDOWN) AT+CPOWD=1Normal Power DownAT+CPOWD=0 Power off
Last updated on 16th Mar 2018