The BZT-04000800-352530-102020 from B&Z Technology is a RF Amplifier with Frequency 4 to 8 GHz, Gain 30 to 32 dB, Gain Flatness ±1.5 dB, Noise Figure 3 to 3.5 dB, Output Power 25 to 26 dBm. Tags: Cryogenic Amplifier, Power Amplifier. More details for BZT-04000800-352530-102020 can be seen below.