The BZ-05400590-302728-102020 from B&Z Technology is a RF Amplifier with Frequency 5.4 to 5.9 GHz, Gain 28 to 30 dB, Gain Flatness ±1 dB, Noise Figure 3 dB, Output Power 27 dBm. Tags: Power Amplifier, Power Amplifier. More details for BZ-05400590-302728-102020 can be seen below.