The AMFW-6S-03400420-30 from Narda-MITEQ is a Waveguide Amplifier with Frequency 3.4 to 4.2 GHz, Gain 50 dB, Gain Flatness +/- 0.5 dB, P1dB (dBm) 10 dBm, P1dB (W) 0.01 W. Tags: Low Noise Amplifier. More details for AMFW-6S-03400420-30 can be seen below.