Chaparral Corotor II Plus WideBand C/KU International Feedhorn. 

If you are one of the many big dish users out there that only have a C-band feedhorn on your dish then you need to upgrade to the Chaparral Corotor II Plus dual feedhorn, there is so much on ku that your missing!. The feedhorn features Chaparral's quality workmanship and patented probe design for circular and linear C-band, as well as a unique dipole for wideband linear Ku-band reception. 

This is all controlled by chaparrals classic servo motor, 
which makes skew adjustments fast and easy. 

These feedhorns are designed for a wide variety of dishes with f/d ratios from .28-.45. 

The Corotor II Plus Wideband is for receptions of circular and linear C-Band signals in the 3.4-4.2GHz range and linear Ku-Band signals in the 10.95-12.75GHz range. The Corotor II Plus Wideband features a new low loss dielectric plate. The new dielectric plate provides a lower noise temperature and improved cross polarization.