The BZ-25002800-451927-152020 from B&Z Technology is a RF Amplifier with Frequency 25 to 28 GHz, Gain 27 to 29 dB, Gain Flatness ±1.5 dB, Noise Figure 4.3 to 4.5 dB, Output Power 19 to 20 dBm. Tags: Power Amplifier. More details for BZ-25002800-451927-152020 can be seen below.