Quectel BG95/BG77

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Vendor's AT commands manual

https://www.quectel.com/download/quectel_bg95bg77bg600l_series_at_commands_manual_v2-0/

General AT Commands

Purpose	Command String
Configure/start a manual network selection	AT+COPS =[, [,[,]]]
Check the received signal quality	AT+QENG="servingcell" "servingcell",,"LTE",<is_tdd>,,,,,,<freq_band_ind>,<ul_bandwidth>,<dl_bandwidth>,,,,,,
Check the supported/configured bands of the UE	AT+QCFG="band"
Check the network registration status	AT+CEREG?
Configure the APN for IP-based connection	AT+CGDCONT=1,"IP","" For example: AT+CGDCONT=1,"IP","bm5m-ipv4-tvgwbn1-2.de.iot"
Configure/activate the PSM mode	AT+CPSMS=[[,<Requested_Periodic-RAU>[,<Requested_GPRS-READYtimer>[,<Requested_Periodic-TAU>[,<Requested_Active-Time>]]]]]
Check the firmware version	AT+CGMR
Modify the supported bands of the UE	AT+QCFG="band"[,,,[,]] For example: AT+QCFG="band",8,1
Switch ON / OFF the transceiver	AT+CFUN=0 / AT+CFUN=1; AT+CGATT=1

AT Commands for Communication Protocols

Purpose	Command String
Configure/activate Rel. 13 Early Release Assistance Indicator	AT+QISENDEX=,<hex_string>, AT+QISENDEX=1,"12345",1
Configure/activate the eDRX mode	AT+CEDRXS=[,[,[,<Requested_eDRX_value>]]]
Modify eDRX parameters	AT+QPTWEDRXS=(0-3),<AcT-type(2-5)>,<Requested_ptw_value(0-15) in bits>,<Requested_eDRX_value(0-15) in bits> For example: AT+QPTWEDRXS=1,4,"0011","0101"
Create a TCP/UDP socket and send data to remote via socket	AT+QIOPEN=,,<service_type>,<IP_address>/<domain_name>,<remote_port>[,<local_port>[,<access_mode>]] For example: AT+QIOPEN=1,1,"UDP","10.23.22.85",5685,3001,1
Send data to remote via socket	AT+QISEND= For example: AT+QISEND=1