The BZ-18002200-200827-102020 from B&Z Technology is a RF Amplifier with Frequency 18 to 22 GHz, Gain 27 to 28 dB, Gain Flatness ±1 dB, Noise Figure 1.8 to 2 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for BZ-18002200-200827-102020 can be seen below.