Universal serial port design, full-duplex two-way?communication, minimum baud rate support 9600 bps Default connection interval is 30 millisecond, fast connection Support 2M symbol transmission and?244 bytes packet transmission Support AT commands for basic settings
BT Version Bluetooth Specification V4.0 BLE Supply Power 3.3v ?? 5v Working frequency 2.4GHz ISM band Modulation method GFSK(Gaussian Frequency Shift Keying) Speed Asynchronous: 6K Bytes, Synchronous: 6K Bytes Size 40cm x 20cm
Working Voltage: 3.3V Support host interface: I2C, UART(default). Serve for contactless communication at 13.56MHz. Support ISO14443 Type A and Type B protocols. Support P2P communication.
Bluetooth Version: 4.0 Minimum Supply Voltage (V): 3.6 Max Supply Voltage (V): 5.5 Signal Range: 30m Receiving Sensitivity: -91dBm Operating Temperature: -40?C-85?C