Executive standard: Bluetooth SIGv2.1+EDR

Bluetooth protocol: Bluetooth serial port profile (SPD)

Interface: RS232

The rate of communication: 1200,2400,4800,9600,19200,38400, S7600,230400,460800,921600,1382400bps

Modulation mode: 2.4G ISM direct sequence frequency modulation (FHSS)

The communication distance: open space15 meters , class level 2

Transmit power: 4dbm;

The receiver sensitivity: -79dbm

Working voltage: 5V

The working current / sleep current: 40mA/1.6mA (typ)

Work environment temperature / storage environment temperature: -10-50 degrees Celsius /-20-80 degrees Celsius

Size: 56.5*38.5*14.5MM