The BZ-18004200-40081522-252525 from B&Z Technology is a RF Amplifier with Frequency 18 to 42 GHz, Gain 15 to 32 dB, Gain Flatness ±2.5 dB, Noise Figure 3.3 to 4 dB, Output Power 8 to 10 dBm. More details for BZ-18004200-40081522-252525 can be seen below.