The ADF7020 from Analog Devices is a RF Transceiver with Frequency 431-478 MHz, 862-956 MHz, Data Rate 200 Kbps, Output Power(dBm) -16 to 13 dBm, Rx Sensitivity -119 dBm, Supply Voltage 2.3 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7020 can be seen below.