The BZ-P540-550850-452727 from B&Z Technology is a RF Amplifier with Frequency 500 MHz to 40 GHz, Gain 47 to 48 dB, Gain Flatness ±4.5 dB, Noise Figure 4.3 to 4.8 dB, Output Power 8 to 10 dBm. Tags: Low Noise Amplifier. More details for BZ-P540-550850-452727 can be seen below.