The AFS4-00101200-45-20P-4 from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 12 GHz, Gain 27 dB, Gain Flatness ± 1.5 dB, Noise Figure 4.5 dB, P1dB 20 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS4-00101200-45-20P-4 can be seen below.