The BZW-17702120-141040-101315 from B&Z Technology is a RF Amplifier with Frequency 17.7 to 21.2 GHz, Gain 38 to 40 dB, Gain Flatness ±1 dB, Noise Figure 1.4 to 2 dB, Output Power 10 dBm. Tags: Low Noise Amplifier. More details for BZW-17702120-141040-101315 can be seen below.