The BZY-04001200-171022-152020 from B&Z Technology is a RF Amplifier with Frequency 4 to 12 GHz, Gain 20 to 25 dB, Gain Flatness ±0.75 dB, Noise Figure 1.5 to 4 dB, Output Power 9 to 10 dBm. Tags: Low Noise Amplifier. More details for BZY-04001200-171022-152020 can be seen below.