The AFS4-01000400-10-10P-4 from Narda-MITEQ is a RF Amplifier with Frequency 1 to 4 GHz, Gain 40 dB, Gain Flatness ± 1.5 dB, Noise Figure 1 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS4-01000400-10-10P-4 can be seen below.