The HMC453ST89 from Analog Devices is a RF Amplifier with Frequency 400 MHz to 2.2 GHz, Gain 20.5 dB, Noise Figure 6.5 to 9 dB, Output Power 28.5 to 32.5 dBm, Output Power 0.71 to 1.78 W. Tags: Drop-In, Power Amplifier. More details for HMC453ST89 can be seen below.