The BZT-18004000-501220-252525 from B&Z Technology is a RF Amplifier with Frequency 18 to 40 GHz, Gain 20 to 25 dB, Gain Flatness ±2.5 dB, Noise Figure 3.3 to 5 dB, Output Power 10 to 12 dBm. More details for BZT-18004000-501220-252525 can be seen below.