The BZ-01004000-500820-252525 from B&Z Technology is a RF Amplifier with Frequency 1 to 40 GHz, Gain 20 to 22 dB, Gain Flatness ±2.5 dB, Noise Figure 4.5 to 5 dB, Output Power 8 to 10 dBm. More details for BZ-01004000-500820-252525 can be seen below.