The MC13201 from NXP Semiconductors is a RF Transceiver with Data Rate 250 kbps, Output Power(dBm) 0 dBm (Typical), up to 3.6 dBm maximum output power, Rx Sensitivity -91 dBm, Supply Voltage 2.0 to 3.4 V. Tags: Surface Mount, IC. More details for MC13201 can be seen below.