The Cryogenic LNA from Withwave is a RF Amplifier with Frequency 4 to 8 GHz, Gain 36 to 45 dB, Noise Figure 0.04 to 0.05 dB, Input Return Loss 10 dB, Operating Temperature 2 K ~ 313 K. Tags: Cryogenic Amplifier, Low Noise Amplifier. More details for Cryogenic LNA can be seen below.