The HMC998A-Die from Analog Devices is a RF Amplifier with Frequency 100 MHz to 22 GHz, Gain 9.5 to 12.5 dB, Gain Flatness ± 0.1 to 0.7 dB, Noise Figure 4 to 10 dB, Output Power 29 to 31.5 dBm. Tags: Power Amplifier. More details for HMC998A-Die can be seen below.