PMI Model No. LNA-40-0R52-4R5-SFF is a low noise amplifier that operates over the frequency range of 0.5 to 2.0 GHz. It has a minimum gain of 40 dB and a noise figure of 4.5 dB. This model is outfitted with SMA female connectors. This is a form, fit, function to Loral 320454.