The BZY-00500400-40122022-072020 from B&Z Technology is a RF Amplifier with Frequency 500 MHz to 4 GHz, Gain 20 to 21 dB, Gain Flatness ±0.75 dB, Noise Figure 4 to 4 dB, Output Power 12 to 26 dBm. Tags: Power Amplifier. More details for BZY-00500400-40122022-072020 can be seen below.