The BZ-12004000-300840-152020 from B&Z Technology is a RF Amplifier with Frequency 12 to 40 GHz, Gain 40 to 42 dB, Gain Flatness ±2.5 dB, Noise Figure 3 to 3.3 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for BZ-12004000-300840-152020 can be seen below.