The AD9081 from Analog Devices is a RF Transceiver with Frequency DC to 7.5 GHz, Data Rate 2.9 to 12 kbps, Output Power(dBm) 3.3 to 7 dBm, Supply Voltage 1.4 V, Tx Current 6.43 to 37.75 mA. Tags: Surface Mount, IC. More details for AD9081 can be seen below.