The LNA-47-0R52-4-SFF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 0.5 to 2 GHz, Gain 47 to 53 dB, Gain Flatness ±1.25 dB, Noise Figure 4 dB, P1dB 20 dBm. Tags: Low Noise Amplifier. More details for LNA-47-0R52-4-SFF can be seen below.