The BZYY-12004000-3508345-352525 from B&Z Technology is a RF Amplifier with Frequency 12 to 40 GHz, Gain 45 to 48 dB, Gain Flatness ±3.5 dB, Noise Figure 3.3 to 3.5 dB, Output Power 8 to 10 dBm. More details for BZYY-12004000-3508345-352525 can be seen below.