EFR32BG22
Shenzhen RF-star Technology Co., Ltd.
Page 35 of 93
AT+ROLE?
Function
Query the current device role.
Example
AT+ROLE?
Return Value
AT+ROLE=0
OK
Remark
The current role of the device is the slave role.
AT+ROLE=
Function
Set the device role.
Example
AT+ROLE=1
Return Value
OK
Remark
Set the current role of the device as the master role.
Take effect after reboot
, can be saved after power off.
Switching roles will cause the list of paired devices and auto-reconnect devices to be
cleared.
•
TX Power
AT+POWER=?
Function
Query the parameter range of this command.
Example
AT+POWER=
?
Return Value
AT+POWER=[-28,-20,-10,-5,-3,0,1,2,4,6]
OK
Remark
The maximum TX power of RF-BM-BG22A1(I) is 0 dBm, and the return value of this command is [-
28,-20,-10,-5,-3,0]
AT+POWER?
Function
Query the current TX power of the device.
Example
AT+POWER?
Return Value
AT+POWER=4
OK
Remark
The current TX power is 4 dBm.
AT+POWER=
Function
Set the device's TX power.
Summary of Contents for EFR32BG22
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