The BZ-00800400-111925-102020 from B&Z Technology is a RF Amplifier with Frequency 800 MHz to 4 GHz, Gain 25 to 28 dB, Gain Flatness ±1 dB, Noise Figure 1 to 1.1 dB, Output Power 19 to 20 dBm. Tags: Power Amplifier. More details for BZ-00800400-111925-102020 can be seen below.