The BZY-04005000-850820-202523 from B&Z Technology is a RF Amplifier with Frequency 4 to 50 GHz, Gain 20 to 34 dB, Gain Flatness ±2 dB, Noise Figure 6.5 to 8.5 dB, Output Power 6 to 8 dBm. More details for BZY-04005000-850820-202523 can be seen below.