RF MODULE, TXRX, FSK, UART, WHIP ANT; Frequency Min:868MHz; Modulation Type:FSK; Data Rate Max:100Kbps; Module Interface:UART; Supply Voltage Min:2V; Supply Voltage Max:3.7V; Sensitivity dBm:-110dBm; Supply Current:37mA; Frequency Range:868MHz to 870Mhz; Supply Voltage Range:2V to 3.7V