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Implementation standard: Bluetooth SIG v2.1+EDR

Bluetooth protocol: Bluetooth serial port profile (SPP)

Interface interface: RS232

Communication rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1382400bps

Modulation method: 2.4G ISM direct sequence frequency hopping ((FHSS)

Communication distance: 15 meters in open space, Class 2

Transmit power: 4 dBm

Acceptance Sensitivity: -79dBm

Working voltage: 5V

Working current/sleep current: 40mA/1.6mA (typ.)

Working ambient temperature/storage ambient temperature: -10-50 degrees Celsius/-20-80 degrees Celsius