The ADF7023 from Analog Devices is a RF Transceiver with Frequency 431-464 MHz, 862-928 MHz, Data Rate 300 Kbps, Output Power(dBm) -16 to 13.5 dBm, Rx Sensitivity -116 dBm, Supply Voltage 1.8 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7023 can be seen below.