The AFS4-00501800-40-20P-6 from Narda-MITEQ is a RF Amplifier with Frequency 500 MHz to 18 GHz, Gain 25 dB, Gain Flatness ± 2.75 dB, Noise Figure 4 dB, Output Power 20 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS4-00501800-40-20P-6 can be seen below.