The LNA-20-0R4G0R5G-0R6-18-5-SFF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 400 to 500 MHz, Gain 20 dB, Noise Figure 0.6 dB, P1dB 18 dBm, P1dB 0.0631 W. Tags: Low Noise Amplifier. More details for LNA-20-0R4G0R5G-0R6-18-5-SFF can be seen below.