The Registered Digital Installers Licensing Body (RDI-LB) is the UK's only official body to register licensed digital aerial and TV systems installers. Our scheme is backed by the Government and requires every member to become qualified and undergo important checks. Get the best You may not necessarily be affected by the changes brought about by the digital switch over programme. However, if you are, it is essential to choose an installer who knows exactly what they are doing and can deliver a high standard of workmanship. Registered installers are accredited with the widely recognised Digital Switchover Certification mark and have proven their ability to give good advice and work to the standards that we expect.Working with professionals Remember to be licensed with the 'digital tick' certification, installers must become qualified, be fully insured, have a clear criminal record disclosure and be certified to safely work at heights! Only professionally trained installers can meet these demands! Just like your latest TV, DVD tuner or set top box, accredited installers are uniquely identified by the 'Digital Tick' Mark. digital tv and satellite systems registration number 18265341