The BZU-04002000-502020-151515 from B&Z Technology is a RF Amplifier with Frequency 4 to 20 GHz, Gain 20 dB, Gain Flatness ±1 dB, Noise Figure 5 dB, Output Power 20 dBm. Tags: Power Amplifier. More details for BZU-04002000-502020-151515 can be seen below.