Manual

• Pair: 1234
• Input Voltage: +3.3 DC/50mA
• Operating temperature: -20 ~ +55 ℃ ℃
• Module Size: 32 x 24 x 9mm
AT Commands
The current version of the module only supports AT commands used to set the baud rate. The default
baud rate for this module is 9600bps.
Test Command
• Transmit:AT
• Return:OK
(No Carriage Return is Required)
Change Baud Rate
• Transmit：AT+BAUD1
• Return：OK1200
• Transmit：AT+BAUD2
• Return: OK2400
Baud Rate List
• 1---------1200
• 2---------2400
• 3---------4800
• 4---------9600
• 5---------19200
• 6---------38400
• 7---------57600
• 8---------115200
• 9---------230400
• A---------460800
• B---------921600
• C---------1382400