The BZ-05450585-202020-102020 from B&Z Technology is a RF Amplifier with Frequency 5.45 to 5.85 GHz, Gain 20 to 23 dB, Gain Flatness ±1 dB, Noise Figure 1.8 to 2 dB, Output Power 20 to 22 dBm. Tags: Power Amplifier. More details for BZ-05450585-202020-102020 can be seen below.