Quectel BC66

AT command guide for: Quectel BC66 and BC66-NA

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Vendor's AT commands manual

https://www.quectel.com/download/quectel_bc66bc66-na_at_commands_manual_v2-2/

General AT Commands

Purpose

Command String

Configure/start a manual network selection

AT+COPS =[,[,[,]]]

For example: AT+COPS=1,2,”26201”

Check the received signal quality

AT+QENG=0

Check the supported/configured bands of the UE

AT+QBAND?

Check the network registration status

AT+CEREG?

Configure the APN for IP-based connection

AT+CGDCONT=1,"IP","<APN_name>"

Configure/activate the PSM mode

AT+CPSMS=[[,<Requested_Periodic-RAU>[,<Requested_GPRS-READYtimer>[,<Requested_Periodic-TAU>[,<Requested_Active-Time>]]]]]

For example: AT+CPSMS=1,,,01000011,00001111

Check the firmware version

AT+CGMR

Check the hardware version

AT^HVER

Modify the supported bands of the UE

AT+QBAND=[,[,[,…]]]

For example: AT+QBAND=2,8,20

Switch ON / OFF the transceiver

AT+CFUN=1 / AT+CFUN=0

AT Commands for Communication Protocols

Purpose

Command String

Configure/activate Rel. 13 Early Release Assistance Indicator

AT+QNBIOTRAI=

Note: This command is only valid for the subsequent uplink traffic, so this command has to be repeated every time before an uplink data is sent, if Early Release Indicator needs to be used.

Configure/activate the eDRX mode

AT+CEDRXS=,[,[,<Requested_eDRX_value>]]

For example: AT+CEDRXS=1

Modify eDRX parameters

AT*MEDRXCFG=[,[,[,<Requested_eDRX_value>[,<Requested_Paging_time_window_value>]]]]

For example: AT*MEDRXCFG=1,5,"0101","0111"

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>][,<protocol_type>]]

For example: AT+QIOPEN=1,0,"UDP","10.23.22.85",5683,0,1

Send data to remote via socket

AT+QISEND =,,

For example: AT+QISEND=0,12,"012345678901"


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