The BZ-17702120-202030-101515 from B&Z Technology is a RF Amplifier with Frequency 17.7 to 21.2 GHz, Gain 30 dB, Gain Flatness ±1 dB, Noise Figure 2 dB, Output Power 20 dBm. Tags: Low Noise Amplifier. More details for BZ-17702120-202030-101515 can be seen below.