The TLLA4G12G-32-00-Cryo from Talent Microwave Inc is a RF Amplifier with Frequency 4 to 8 GHz, Gain 32 dB, Gain Flatness ±1 dB, Input Return Loss -3 dB, Supply Voltage 0.7 to 1.4 V. Tags: Benchtop / Rackmount, Low Noise Amplifier, Cryogenic Amplifier. More details for TLLA4G12G-32-00-Cryo can be seen below.