The KNTR5650M43A from KeyLink Microwave is a RF Amplifier with Frequency 5.4 to 5.9 GHz, Gain 25 to 43 dB, Noise Figure 3 dB, Output Power 1 to 43 dBm, Output Power 0.001 to 19.95 W. Tags: Power Amplifier. More details for KNTR5650M43A can be seen below.