The ADF7022 from Analog Devices is a RF Transceiver with Frequency 868.25-869.85 MHz, Data Rate 38.4 Kbps, Output Power(dBm) -16 to 13.5 dBm, Rx Sensitivity -107.5 dBm, Supply Voltage 1.8 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7022 can be seen below.