RF MODULE, TXRX, FSK, UART, WHIP ANT; Frequency Min:868MHz; Modulation Type:FSK; Data Rate Max:76.8Kbps; Module Interface:UART; Supply Voltage Min:2.7V; Supply Voltage Max:3.3V; Sensitivity dBm:-109dBm; Supply Current:560mA; Frequency Range:868MHz to 870Mhz; Supply Voltage Range:2.7V to 3.3V