The ADF7242 from Analog Devices is a RF Transceiver with Frequency 2400-2483.5 MHz, Data Rate 250 Kbps, Output Power(dBm) -20 to 4.8 dBm, Rx Sensitivity -96 dBm, Supply Voltage 1.8 to 3.6 V. Tags: Surface Mount, IC. More details for ADF7242 can be seen below.