This offering is for quantity 1 of an EF Data C-Band LNA. Noise Temp is 40 deg K and has 54dB nominal measured gain. Data sheet supplied with unit, meets all test parameters. Unit has a type N RF output connector and grooved waveguide flange. Voltage range is +12 to +24Vdc with standard MS 4-pin power connector. It has never been installed or put in service. It does have some hardware marks where the coaxial waveguide adapter was attached for testing. Great price for this unit. Thanks for looking.