The ADH451S from Analog Devices is a RF Amplifier with Frequency 5 to 18 GHz, Gain 12 to 16 dB, Noise Figure 6.5 to 8 dB, Output Power 15 to 16.5 dBm, Output Power 0.03 to 0.04 W. Tags: Ceramic, Hermetic, Surface Mount, Power Amplifier. More details for ADH451S can be seen below.