The RHR61 from STMicroelectronics is a RF Amplifier with Frequency 300 to 920 MHz, Gain 1 dB, Supply Voltage 1.5 to 5.5 V, Current Consumption 50 to 110 uA, Operating Temperature -55 to 125 Degree C. Tags: Surface Mount, Operational Amplifier. More details for RHR61 can be seen below.