The ERZ-LNA-0550-1800-40-4 from ERZIA is a RF Amplifier with Frequency 5.5 to 18 GHz, Small Signal Gain 40 to 46 dB, Gain Flatness ±2 dB, Noise Figure 2.5 to 6 dB, Output Power 11 to 15 dBm. Tags: Low Noise Amplifier. More details for ERZ-LNA-0550-1800-40-4 can be seen below.