The LT5554 from Analog Devices is a RF Amplifier with Frequency DC to 1 GHz, Gain 2 to 18 dB, Noise Figure 10 to 10.5 dB, Output Power 20 dBm, Output Power 0.1 W. Tags: Surface Mount, Digital Variable Gain Amplifier, Driver Amplifier, Differential Amplifier, Power Amplifier. More details for LT5554 can be seen below.