The MC33696 from Freescale is a RF Transceiver with Frequency 304 MHz, 315 MHz, 426 MHz, 434 MHz, 868 MHz and 915 MHz ISM bands, 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. Tags: Surface Mount, IC. More details for MC33696 can be seen below.