Holland Electronics FBA_144823 Flat Coaxial Type F Jumper Cable for Windows and Doors (1) Flat coaxial cable jumper for easy and safe door/window feedthrough 3GHz low-loss design supports HDTV-CATV & Satellite applications Precision-terminated and overmolded female type F connectors NEC 800 CM/CMUC-Outdoor (UL) listed & DirecTV/DISH Network certified 12" length supports home or vehicle doors & windows of any most sizes