The KN5800M55A from KeyLink Microwave is a RF Amplifier with Frequency 5.79 to 5.81 GHz, Gain 55 dB, Output Power Limit 54.77 dBm, Output Power Limit 299.92 W, Supply Voltage 28 V. Tags: Power Amplifier. More details for KN5800M55A can be seen below.