The CITCRYO4-12A from Cosmic Microwave Technology, Inc. is a RF Amplifier with Frequency 4 to 12 GHz, Gain 30 to 32 dB (Linear), Gain Flatness ±2 dB, Noise Figure 0.08 dB, Input Return Loss 15 to 25 dB. Tags: Cryogenic Amplifier, Low Noise Amplifier. More details for CITCRYO4-12A can be seen below.