The KNTR3100M53A from KeyLink Microwave is a RF Amplifier with Frequency 2.9 to 3.3 GHz, Gain 25 to 53 dB, Noise Figure 3 dB, Output Power 2 to 53 dBm, Output Power 0.002 to 199.53 W. Tags: Power Amplifier. More details for KNTR3100M53A can be seen below.