The ADF7023-J from Analog Devices is a RF Transceiver with Frequency 902-958 MHz, Data Rate 300 Kbps, Output Power(dBm) -20 to 13.5 dBm, Rx Sensitivity -116 dBm, Supply Voltage 2.2 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7023-J can be seen below.