The BZ-00501800-402038-202020 from B&Z Technology is a RF Amplifier with Frequency 500 MHz to 18 GHz, Gain 38 to 40 dB, Gain Flatness ±2 dB, Noise Figure 3 to 4 dB, Output Power 20 to 23 dBm. Tags: Power Amplifier. More details for BZ-00501800-402038-202020 can be seen below.