Integrated Reception System
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An integrated reception system (IRS) provides broadcast signals from multiple sources (typically
terrestrial television Terrestrial television or over-the-air television (OTA) is a type of television broadcasting in which the signal transmission occurs via radio waves from the terrestrial (Earth-based) transmitter of a TV station to a TV receiver having an ant ...
,
FM radio FM broadcasting is a method of radio broadcasting using frequency modulation (FM). Invented in 1933 by American engineer Edwin Armstrong, wide-band FM is used worldwide to provide high fidelity sound over broadcast radio. FM broadcasting is cap ...
,
DAB digital radio Digital radio is the use of digital technology to transmit or receive across the radio spectrum. Digital transmission by radio waves includes digital broadcasting, and especially digital audio radio services. Types In digital broadcasting syst ...
and
satellite TV Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location. The signals are received via an outdoor parabolic antenna commo ...
) to multiple outlets, via a single aerial cluster and signal booster-distributor. The most obvious use for such a system is in communal housing blocks, where one aerial cluster can replace many aerials serving individual dwellings (e.g. flats or apartments). The predecessor to IRS was MATV- master aerial television- which provided communal housing with terrestrial TV signals only. Because the booster-distributor boxes within such systems usually need replacing to cope with digital terrestrial TV signals, many landlords are opting to replace the entire system with IRS at the time of digital terrestrial TV switchover, thereby reducing the clutter of (in particular) satellite TV dishes which have appeared on many communal housing blocks since the 1990s. Unfortunately, because satellite transmissions use extremely high broadcast frequencies, they tend to "leak" from long cables, so IRS requires installation of very high quality cabling, in addition to the aerial cluster and sophisticated booster-distributor box. To cover the high cost of installation and maintenance of such a sensitive system, the annual charge levied by landlords for communal aerial provision is likely to increase substantially.Whyte technologies article on design and manufacture
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References

Television technology {{tv-tech-stub pl:AZART