This is the way television is currently transmitted and at present is combined with the new digital signal in preparation for the switchover. This enables you to go digital straight away.

This is where several properties use one aerial through a wiring system to receive television. Find out about the work WDH is doing for people with communal aerials

A Digital set–top box is a device used for receiving digital TV. It changes digital signals into pictures and sound, and can be used to make a standard TV "digitally ready". Some modern TVs have built in digital receivers that do the same job.

The UK's free digital TV service that works through standard television aerials but requires a digital set–top box or a TV with built in digital tuner (iDTV)

HDTV – High Definition TV pictures have up to four times more detail, amazing vibrant colours and an incredible sense of depth. Often accompanied by improved audio quality.

PVR – Personal Video Recorder. A modern set–top box with built–in video recorder that uses a hard disk instead of tapes.