The BZ-0408-121030-102020 from B&Z Technology is a RF Amplifier with Frequency 4 to 8 GHz, Gain 30 to 38 dB, Gain Flatness ±1 dB, Noise Figure 1.4 to 1.5 dB, Output Power 10 to 12 dBm. Tags: Low Noise Amplifier. More details for BZ-0408-121030-102020 can be seen below.