The APT4-01002000-5011-D42-LM from AmpliTech is a Cryogenic Amplifier that operates from 1 to 20 GHz. It provides an output power of 11 dBm with a gain of 42 dB and has a noise figure of 5 dB. The device requires a DC supply voltage of 15 V and consumes up to 200 mA of current The amplifier is available in a drop-in package with SMA female connectors.