The AMFW-5S-04000480-50 from Narda-MITEQ is a RF Amplifier with Frequency 4 to 4.8 GHz, Gain 40 dB, Gain Flatness ± 1 dB, Noise Figure 0.691 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMFW-5S-04000480-50 can be seen below.