Part of D-Book cover

What is the D-Book?

The D-Book is the technical specification for UK digital terrestrial television.

TV set

Over-air Downloads

Engineering channel Freeview/DTT set-top boxes and IDTV download schedule for this and next week plus current downloads for Freesat

OK button on TV remote

What is MHEG?

The framework for UK interactive TV services

Remote control and hand

DTT Mux and LCN Listing

DTT Channel/Service Allocation by Multiplex

CAI logo

Aerial Benchmarking

DTG-CAI scheme to note the performance of UHF antennas for digital terrestrial television reception

Vitruvian man representing access for all


The DTG Accessibility Working Group is concentrating on improving the accessibility of products and services