The CIT1-18 from Cosmic Microwave Technology, Inc. is a RF Amplifier with Frequency 1 to 18 GHz, Gain 32 to 35 dB, Gain Flatness ±2 to 3 dB, Noise Figure 0.13 to 1.5 dB, Input Return Loss -10 dB. Tags: Low Noise Amplifier, Cryogenic Amplifier. More details for CIT1-18 can be seen below.