2RNCompanies Registration Office (Ireland) No. 489832 is the trading name of RTÉ Transmission Network DAC,Companies Registration Office (Ireland) No. 364909 a wholly owned subsidiary of Raidió Teilifís Éireann, formerly trading as RTÉNL, which runs Ireland's principal digital terrestrial television and radio broadcast networks. In December 2002 it became an incorporated company and subsidiary of RTÉ; it was previously a division within RTÉ. It operates 12 main TV and radio transmitter sites and many smaller relays and transposers, which carry television and/or radio. It also provides site hosting for mobile telephone operators, the emergency services, wireless broadband and other private mobile communications service providers.

In April 2013 a repositioningRTÉ press release - 23 July 2012 "RTÉ announces Repositioning of RTÉNL" was carried out to provide "arm's length" broadcast transmission services to all national TV and radio broadcasters. The repositioning renamed and rebranded RTÉNL to 2RN (the name comes from the original Irish radio service known as 2RN). A new board of directors was appointed with an independent chairman and its headquarters was located in Tallaght, across the city from its owner's campus at Donnybrook in Dublin.

Carried content Saorview is carried from all 64 TV transmitter sites.SAORVIEW Frequencies and Transmission sites

The 4 PSB FM radio stations RTÉ Radio 1, RTÉ 2fm, RTÉ lyric fm and RTÉ Raidió na Gaeltachta are carried by all transmitters and relays (apart from the Kilduff relay).Radio Frequencies and Transmitter sites The longwave radio transmitter (closed 2023) had carried RTÉ Radio 1 only on the 252 kHz frequency, with some alternative (to FM) content (Religious services and Sports - now digital only).

Commercial radio broadcaster Today FM is also carried on most main sites as well as many relays and many Independent Local Radio stations use the local 2RN transmission site.

Digital upgrades

Television: Saorview, Saorsat 2rn having built and commissioned the new digital infrastructure, is also the body responsible for day-to-day running and operating the platform providing 98% population coverage at ASO in October 2012. Broadcasting is done via DVB-T, using MPEG-4 video compression and MPEG 1 Layer II audio compression.

Saorsat will cover the remaining 2% not covered by DTT due to terrain issues using narrowband Ka satellite from June 2011. For more on these see Saorview article

RTÉ (via 2RN) are licensed by Comreg to operate and maintain 2 Public Service Broadcasting (PSB) multiplexes (or muxes) on the Saorview Digital terrestrial television service.ComReg issued two DTT multiplex licences to RTÉ, one in December 2007 the other in May 2011. Both muxes are operational.

Radio A trial DAB service was operated in three main urban areas (Dublin, Cork & Limerick) and the north-east of the country, from 4 transmitters on Multiplex 12C to approx 56% of the population.

RTÉ ceased DAB transmissions on 31 March 2021.

Transmission sites

Main Broadcast Transmission Sites

Cairn Hill, County Longford Clermont Carn, County Louth Holywell Hill, County Donegal Kippure, County Wicklow Maghera, County Clare Mount Leinster, County Carlow Mullaghanish, County Cork Spur Hill, County Cork Three Rock, County Dublin Truskmore, County Sligo

Relay transmitters

Achill Island, County Mayo - DTT, FM radio Arranmore Island, County Donegal - DTT, FM radio Arklow, County Wicklow - DTT Athlone town, County Westmeath - FM radio, Ballybofey, County Donegal - DTT, FM radio, Ballydavid, County Kerry, - FM radio Bandon, County Cork - DTT Bantry, County Cork - DTT, FM radio, Cahir, County Tipperary- DTT Cahirciveen, County Kerry - DTT, FM radio Casla, County Galway - DTT, FM radio Castlebar, County Mayo - DTT, FM radio Castletownbere, County Cork - DTT, FM radio Clifden, County Galway - DTT, FM radio Clonakilty, County Cork - DTT Clonmany, County Donegal - DTT Clonmel, County Waterford - DTT, FM Radio Collins Barracks (Cork), County Cork - DTT, FM radio Crosshaven, County Cork - DTT, FM radio Dingle, County Kerry - DTT Dooncarton (Iorras), County Mayo- DTT Drimoleague, County Cork - DTT Dungarvan, County Waterford - DTT, FM radio Ennistymon, County Clare - DTT Falcarragh, County Donegal - DTT Ferrypoint, County Waterford (serves Youghal) - DTT Fanad, County Donegal - DTT, FM radio Fermoy, County Cork - DTT, FM radio Forth Mountain, County Wexford, - DTT Gallow's Hill, County Waterford (site serves Waterford city) - DTT, FM radio Glanmire, County Cork - DTT Glencolmcille, County Donegal - DTT Glendalough, County Wicklow - DTT Glenties, County Donegal - DTT Gorey, County Wexford - DTT Greenore, County Louth - DTT Greystones, County Wicklow - DTT, FM radio Kilduff, County Tipperary - DTT, FM radio (carries RTÉ Radio 1 only on 90.2) Killaloe, County Clare - DTT Kilmacthomas, County Waterford - DTT Knockanore, County Kerry - DTT, FM radio Knockmoyle, (Slieve Mish) County Kerry - DTT, FM radio Kinsale, County Cork - DTT, FM radio Lahinch, County Clare - FM radio Leap, County Cork - DTT Letterkenny, County Donegal - DTT Maamclassach, County Kerry - DTT, FM radio Magheroarty, County Donegal - DTT, FM radio Malin Head, County Donegal - DTT, FM radio Mitchelstown, County Cork - DTT Monaghan, County Monaghan - DTT, FM radio Mount Gabriel, County Cork - DTT Moville, County Donegal - DTT, FM radio Rosscarbery, County Cork - DTT Suir Valley, County Kilkenny - DTT, FM radio Timoleague, County Cork - DTT Tonabrocky, County Galway - DTT Woodcock Hill, County Clare - DTT, FM radio Westport, County Mayo - ex UHF television, now used for Midwest Radio and Newstalk repeaters Carslville South, County Cork - DTT, FM

Transmitters no longer active These sites are (in some cases) either completely decommissioned or still in use for telecommunications operators. Abbeyfeale, County Limerick - UHF television Aghavannagh, County Wicklow - UHF television Annagry, County Donegal - UHF television Annascaul, County Kerry - UHF television Araglin, County Cork - UHF television Arthurstown, County Wexford - UHF television Ashford, County Wicklow - UHF television Ashleam, County Mayo - UHF television Athlone (Moydrum), County Westmeath Telecommunications. Was MW radio Avoca, County Wicklow A - UHF television Avoca, County Wicklow B - UHF television Ballinastoe, County Wicklow - UHF television Ballineen, County Cork - UHF television Ballingeary, County Cork - UHF television Ballinglen, County Wicklow - UHF television Ballintrillick, County Sligo - UHF television Ballyandreen, County Cork - UHF television Ballymacarbry, County Waterford - UHF television Ballynakilly, County Kerry - UHF television Ballyporeen, County Tipperary - UHF television Ballinure, County Cork - Telecommunications only. Was MW radio. Bealanabrack, County Galway - UHF television Belgooley, County Cork - UHF television Ben Gorm, County Mayo - UHF television Blarney, County Cork - UHF television Bonane, County Kerry - UHF television Briska, County Mayo - UHF television Brittas Bay, County Wicklow - UHF television Broadford, County Clare - UHF television Clarkstown, County Meath - LW Radio Corrnamona, County Galway - UHF television Crossbarry, County Cork - UHF television Donnybrook, Dublin, County Dublin - VHF television, FM radio (pre-Three Rock) Droumgarriff, County Cork - UHF television Dromanassig, County Kerry - UHF television Dunquin, County Kerry - UHF television Dunmanway, County Cork - UHF television Failmore, County Galway - UHF television Glenbeigh, County Kerry - UHF television Glencar, County Kerry - UHF television Headford, County Kerry - UHF television Inchigeelagh, County Cork - UHF television Inistioge, County Kilkenny - UHF television Kells Bay, County Kerry - UHF television Kilkee, County Clare - UHF television Killeagh, County Cork - UHF television Kilmacomma, County Tipperary - UHF television Lauragh, County Kerry - UHF television Listowel, County Kerry - UHF television Lomanaugh, County Kerry - UHF television Maam, County Galway - UHF television Macroom, County Cork - UHF television Monasootagh, County Wexford - UHF television Morley's Bridge, County Kerry - UHF television Mountainstage, County Kerry - UHF television Mulranny, County Mayo - UHF television Nire Valley, County Waterford - UHF television Passage West, site located at Marino, near Cobh County Cork - UHF television Termon, County Donegal - UHF television Tinahealy, County Wicklow - UHF television Tomriland, County Wicklow - UHF television Toomes Bridge, County Cork - UHF television Tracton, County Cork - UHF television Tullamore, County Offaly - MW Radio Woodenbridge, County Wicklow - UHF television Youghal (south), site at The Strand, Youghal town, County Cork - UHF television

References

External links Department of Communications Digital Television DTT Network - Saorview