The BZ-27503100-352040-192020 from B&Z Technology is a RF Amplifier with Frequency 2.75 to 3.1 GHz, Gain 40 to 42 dB, Gain Flatness ±1.9 dB, Noise Figure 3.3 to 3.5 dB, Output Power 20 to 22 dBm. Tags: Power Amplifier. More details for BZ-27503100-352040-192020 can be seen below.