The LNA-40-0R52-4R5-SFF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 0.5 to 2 GHz, Gain 40 to 44 dB, Gain Flatness ±1 dB, Noise Figure 4.5 dB, P1dB 23 dBm. Tags: Low Noise Amplifier. More details for LNA-40-0R52-4R5-SFF can be seen below.