The BZU-04001200-40121214-072020 from B&Z Technology is a RF Amplifier with Frequency 4 to 12 GHz, Gain 12 dB, Gain Flatness ±0.75 dB, Noise Figure 1.8 to 4 dB, Output Power 10 to 12 dBm. More details for BZU-04001200-40121214-072020 can be seen below.