The ERZ-LNA-4720-5140-15-4 from ERZIA is a RF Amplifier with Frequency 47.2 to 50 GHz, Small Signal Gain 9 to 12 dB, Gain Flatness ±0.5 dB, Noise Figure 3.5 to 4 dB, Output Power 12 dBm. Tags: Low Noise Amplifier. More details for ERZ-LNA-4720-5140-15-4 can be seen below.