Teledifusão de Macau, commonly known as TDM (Chinese: 澳廣視), is the first over-the-air radio and television network in Macau. It was established on 1 January 1982 during Portuguese administration. TDM offers two 24-hour radio services a Cantonese and a Portuguese channel) and it also offers television services 1 Cantonese, 1 Portuguese, 1 sports, 1 news, 1 HDTV and 1 international channel.
Rádio Macau offers two channels, in Portuguese on FM 98.0 MHz and Cantonese on FM 100.7 MHz.
Local programmes on the Portuguese service of Rádio Macau begins from 07:00 to 20:00 on weekdays, and from 08:00 to 20:00 at weekends. Programmes from RDPAntena 1 are relayed for the rest of the time. The Cantonese and Mandarin service of Rádio Macau is also 24-hours, with total local programme outputs.
Local programmes on Canal Macau broadcast from around 13:00 on weekdays until 01:00, and longer hours at weekends. TDM's news bulletin (TDM News), is broadcast in Cantonese and Mandarin on "TDM Ou Mun", and in Portuguese and English on "Canal Macau".
Programmes from Portugal's RTPInternacional are usually relayed for other times, except for football matches. The Catholic Mass is broadcast live on Sunday mornings at the Igreja da Sé. These make Canal Macau a 24-hour channel. TDM Ou Mun broadcasts from 7:00 am (9:00 on Sundays) to 2:00 am next day, with simulcast of CCTV-13 filling rest of the time.
Transmissions of TDM Desporto may begin earlier on Sundays, and are longer for live coverage of football matches such as the English Premier League or the Spanish Liga. At other times when programmes are not transmitted, still image of TDM Desporto logo will be displayed with the background sound of Rádio Macau on FM 100.7 MHz.