The data sheet is available here.

...with the size, weight and prime-power consumption of standard 400 Watt amplifiers. Xicom Technology’s model XTD-750KHE high power amplifier (HPA) is an antenna mountable TWTA designed for high linear power and outstandingly high efficiency for Ku-band SATCOM uplinks. The new amplifier is in a compact, rugged package weighing only 56 pounds. Drawing only 1450W at 270W of linear RF output power, the amplifier is ideal for transportable applications where high efficiency, light weight, and high ambient temperature operation are required. Service providers and system integrators can obtain additional specifications and information from Comtech Xicom Technology representatives and by visiting Booth 709 at SATELLITE 2012, March 12-15, in Washington, DC. Comtech Xicom Technology company information link.