The BZ2-00100400-252018-152020 from B&Z Technology is a RF Amplifier with Frequency 100 MHz to 4 GHz, Gain 18 to 20 dB, Gain Flatness ±1.5 dB, Noise Figure 2.3 to 2.5 dB, Output Power 20 to 22 dBm. Tags: Power Amplifier. More details for BZ2-00100400-252018-152020 can be seen below.