The LT1993-4 from Analog Devices is a RF Amplifier with Frequency DC to 900 MHz, Gain 12 dB, Noise Figure 14.5 dB, Output Power 18.5 to 22.7 dBm, Output Power 0.071 to 0.186 W. Tags: Surface Mount, Low Noise Amplifier, Differential Amplifier, Driver Amplifier. More details for LT1993-4 can be seen below.