The BZ-12004000-331040-172222 from B&Z Technology is a RF Amplifier with Frequency 12 to 40 GHz, Gain 34 to 42 dB, Gain Flatness ±1.7 dB, Noise Figure 3.1 to 3.3 dB, Output Power 10 to 12 dBm. Tags: Low Noise Amplifier. More details for BZ-12004000-331040-172222 can be seen below.