The MC33696 from NXP Semiconductors is a RF Transceiver with Data Rate 20 kbps, Output Power(dBm) -19 to +7 dBm in four steps, Rx Sensitivity -108 dBm, Supply Voltage 2.1 to 3.6 V, Rx Current 9.2 mA. Tags: Surface Mount, IC. More details for MC33696 can be seen below.