Winegard have brought out a new antenna which is now horizontal as well as vertical digital signals allowing for reception of more channels. It features 2 independently amplified antennas to deliver maximum digital VHF/UHF programming. Made in the USA, this bi-directional antenna receives analogue as well as standard & HD digital signals & has been designed to fit rooves from 2.5cm – 12cm thick. The Winegard Sensar HV comes with a 1 year limited warranty. If you have the previous model Winegard the Retrofit Kit is available and the head can be exchanged over to give you the latest model in antennas.