Specifications

18 / 20
ERR:CODE\r\n
Content: Reset the transmission power of Bluetooth; this command is not
allowed in Bluetooth connection status
Command format: AT+RFPM?\r\n
Return value: 3dBm\r\n
Content: Query the current Bluetooth transmit power
Power level
Power value
0
5dBm
1
4dBm
2
3dBm
3
0dBm
4
-3dBm
5
-5dBm
6
-6dBm
7
-10dBm
8
-15dBm
9
-20dBm
5.13 Sleep mode settings
Command format: AT+SLEEP\r\n
Return value: OK\r\n
ERR:CODE\r\n
Content: In order to reduce the power consumption of the module, the module can
be put into deep sleep mode through this command, and the Bluetooth and serial port
functions are closed; the standby current in this state is about 3uA; the module can be