- Quectel
- Huawei
- SIMCOM
- Fibocom
- Sierra Wireless
- AT^MEID
- AT+CDV
- AT+CHV
- AT+CPOF
- AT+CPON
- AT+CREG
- AT+ECPI
- AT+EFUN
- AT+EGTYPE
- AT+EMDSTATUS
- AT+ERAT
- AT+ERFID
- AT+ES3G?
- AT+ESIMS
- AT+ESLP
- AT+ESUO
- ATE0Q0V1
- AT capability suite
- http://wless.ru/files/GSM/Qisda/M26/M26_AT_Command_User_Guide.pdf
- https://android.googlesource.com/platform/hardware/ril
- https://atcommands.org
- EC20_GNSS_AT_Commands_Manual_V1.1.pdf
- EC20_R2.1_AT_Commands_Manual_V1.0.pdf
- Quectel_EC200x&EG912Y_Series_Audio_Application_Note_V1.0.pdf