The KNTR9100M42A from KeyLink Microwave is a RF Amplifier with Frequency 9 to 9.2 GHz, Gain 30 to 42 dB, Noise Figure 3 dB, Output Power 5 to 42 dBm, Output Power 0.003 to 15.85 W. Tags: Power Amplifier. More details for KNTR9100M42A can be seen below.