The PLNA-2G4G-40-1DB-12DBM-SFF from Quantic PMI (Planar Monolithics) is a RF Amplifier with Frequency 2.0 to 4.0 GHz, Small Signal Gain 37 to 43 dB, Gain Flatness ±1 to ±1.25 dB, Noise Figure 0.8 to 1 dB, P1dB 12 to 14 dBm. Tags: Low Noise Amplifier. More details for PLNA-2G4G-40-1DB-12DBM-SFF can be seen below.