This is Ku band feedhorn ,used with C band dish antenna for receiving Ku band satellite signal .
The waveguide is WR75 ,used with Ku band single Polarity LNB.
The scalar ring material is aluminum.Waveguide material is copper.
The scalar ring color(golden or yellow)different lots maybe a little different ,please noted.
![](https://ae01.alicdn.com/kf/Se020626b3ffb4ea7844d222d5c2667dcH.jpg)
![](https://ae01.alicdn.com/kf/S3d8c8c8e83bd46d480764cea2563a9b5p.jpg)
![](https://ae01.alicdn.com/kf/Seaaa07b5d954453495208b5ce135e3946.jpg)
![](https://ae01.alicdn.com/kf/Sab23380323114428a8c2fac4497650bfN.jpg)