The AMFW-4F-05920643-45-WR137 from Narda-MITEQ is a Waveguide Amplifier with Frequency 5.92 to 6.43 GHz, Gain 30 dB, Gain Flatness +/- 1 dB, P1dB (dBm) 10 dBm, P1dB (W) 0.01 W. Tags: Low Noise Amplifier. More details for AMFW-4F-05920643-45-WR137 can be seen below.