The AFSX4-00101800-55-10P from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 18 GHz, Gain 18 dB, Gain Flatness ± 3 dB, Noise Figure 5.5 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFSX4-00101800-55-10P can be seen below.