Digital TV Systems
Commercial TV Aerial & Satellite installation services is one of our specialist areas. We design, install and maintain Satellite, Television, FM and DAB signal distribution systems for Multi Dwelling Buildings, Schools, Hospitals, Sports Centres, Hotels and Commercial Offices.
Being totally independent, we offer impartial advice on a wide range of services to suit your particular requirements. Whether it’s designing a complete scheme or working to your specification, we can advise on the most suitable method for distribution and equipment to install.
An IRS (Integrated Reception System) is a digital TV aerial system installed into a block of apartments, or several blocks, providing a wide range of TV and satellite TV services to residents. The signals are received from a dish and aerial array, then via the “headend” distributed throughout the building to all dwellings. Typically this system can provide digital terrestrial TV (DTT), Sky / Sky+HD, Freesat, FM and DAB radio. This is normally termed as a 5-wire system. It is also possible to add additional Foreign Satellite services to an IRS system for blocks where there is a high degree of diversity or where there is a demand for non-English programming.
These configurations are usually called 9-wire, 13-wire or 17-wire systems and are installed based on a similar principle to that described above. The benefits of an IRS is that it allows residents the freedom to select the digital TV supplier of their choice… including Freeview, Freesat, Sky+, Sky+ HD, and exclusive to Sky TV customers, Sky Talk and Sky Broadband.
Many new digital TV systems (IRS) are now being designed using a Fibre Optic fed TV system (FIRS) rather than the standard copper coax systems. These systems are particularly useful when buildings are to be linked and greater signal distribution distances covered. The fibre system can be fed directly to each apartment increasing the number of possible outlets for TV and satellite TV. Fibre optic technology has now changed considerations when designing an IRS. Fibre optic technology has now come down in price, making fibre a viable option for IRS. Many new systems will be hybrid systems, using fibre for the main distribution backbone connecting to distribution switch units, with copper coaxial cables to the outlets within the home.
Fibre equipment is very different to running a normal coaxial (copper) system. The obvious difference is that the main cables are fibre optic and one cable can be used as opposed to 5 coaxial cables for a standard IRS. While copper has become much more expensive in recent years, fibre optic cables have become cheaper for the aerial industry. Perhaps the biggest advantage of using fibre optic cables is the ability for the aerial and satellite signals to be carried with exceptionally low loss and very little degradation.
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