The Millennium Transmitter is a 720 ft (219.5 m) tall mast owned by ABS-CBN Corporation and operated by Advanced Media Broadcasting System located at the ABS-CBN Broadcasting Center, Mother Ignacia Street corner Sgt. Esguerra Avenue, Barangay South Triangle, Quezon City. Since September 13, 2022, the transmitter is being used by AMBS to serve as the platform for television transmission of ALLTV on analog Channel 2 and digital Channel 16. It was also used as the main transmission site for ABS-CBN-owned DWAC-TV Channel 23, the flagship station of ABS-CBN Sports and Action, before shutting down in 2020 and its frequency reassigned to Aliw Broadcasting Corporation and its radio station DWRR until it was relocated to Antipolo when the transmitter was upgraded by the end of 1999.

The ABS-CBN Broadcasting Center in Diliman, Quezon City, Philippines is the headquarters of the Philippine media conglomerate ABS-CBN Corporation and the television network of the same name. It houses the media conglomerate's divisions such as ABS-CBN News and ABS-CBN Entertainment and subsidiaries, broadcast facilities, offices, and ELJ Communications Center. It is also where the transmitter site of ALLTV is situated which was previously used by ABS-CBN before it became inactive due to the 2020 broadcast franchise renewal dispute with ownership of the transmitter and the land where it stands remain with the network. It occupies an area of 44,000 square meters including the ELJ Communications Center. It was originally built in 1968 and was then the most advanced broadcast facility in Asia. Today, it is now the country's largest and most technologically advanced media facility. Meanwhile, ABS-CBN's production facility is located at ABS-CBN Horizon IT Park in San Jose del Monte, Bulacan.