The KNP2900M55A from KeyLink Microwave is a RF Amplifier with Frequency 2.7 to 3.1 GHz, Gain 55 dB, Output Power Limit 54.77 dBm, Output Power Limit 299.92 W, Supply Voltage 32 V. Tags: Power Amplifier. More details for KNP2900M55A can be seen below.