The CITLF4 from Cosmic Microwave Technology, Inc. is a RF Amplifier with Frequency 0.5 to 4 GHz, Gain 30 to 35 dB, Gain Flatness ±3 to ±5 dB, Noise Figure 0.10 dB, Supply Voltage 1.3 to 1.7 V. Tags: Cryogenic Amplifier, Low Noise Amplifier. More details for CITLF4 can be seen below.