The BZ-00500400-111830-152020 from B&Z Technology is a RF Amplifier with Frequency 500 MHz to 4 GHz, Gain 30 to 32 dB, Gain Flatness ±1.5 dB, Noise Figure 1 to 1.1 dB, Output Power 18 to 19 dBm. Tags: Low Noise Amplifier. More details for BZ-00500400-111830-152020 can be seen below.