2RN (RTÉ Networks)
 2RN is the trading name of RTÉ Transmission Network Ltd a wholly owned subsidiary of Raidió Teilifís Éireann formally trading as RTÉNL which runs Ireland's principal digital terrestrial television and radio broadcast networks. In Dec 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.