The LNA5250M5455M from Lotus Communication Systems is a RF Amplifier with Frequency 5.25 to 5.455 GHz, Gain 38.5 to 40.5 dB, Gain Flatness ±1 dB, Noise Figure 0.85 to 1 dB, P1dB 19 dBm. Tags: Low Noise Amplifier. More details for LNA5250M5455M can be seen below.