The ADF7025 from Analog Devices is a RF Transceiver with Frequency 431-464 MHz, 862-870 MHz, 902-928 MHz, Data Rate 384 Kbps, Output Power(dBm) -16 to 13 dBm, Rx Sensitivity -104.2 dBm, Supply Voltage 2.3 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7025 can be seen below.