The BZW-30503130-221045-151515 from B&Z Technology is a RF Amplifier with Frequency 30.5 to 31.3 GHz, Gain 45 to 52 dB, Gain Flatness ±1.5 dB, Noise Figure 1.8 to 2.2 dB, Output Power 10 to 12 dBm. Tags: Low Noise Amplifier. More details for BZW-30503130-221045-151515 can be seen below.