A system for transmitting audio and video signals to UMTS mobile telephony terminals and a mobile terminal for use with the system

System for transmitting multimedia programs to a plurality of terminals (12) mobile, each comprising a UMTS (22) transceiver which controls a decoding means (26) associated with a graphical display (28) and a loudspeaker (30) , and connected to an antenna (24) for receiving a first frequency band belonging to a UMTS cellular telephone network having a plurality of cells (10) of low power; further comprising each mobile terminal receiver (40) connected to said antenna (24) for receiving a second frequency band from at least one transmitter (14) radio high power capable of emitting by broadcasting multiple multimedia programs in said second frequency band, over an area comprising a plurality of cells of the UMTS network, being connectable selectably said receiver (40) to said decoding means (26); characterized in that said transmitter (14) high power radio is arranged to deliver broadcast by said plurality of multimedia programs in the form of signals compatible with the physical layer of UMTS protocol and in respective UMTS channels identified by respective codes according to the UMTS protocol; and that said receiver (40) is arranged to decode signals from the radio transmitter high power transmitted extract a signal of a selected one of said channels, and applying the decoded signal from the selected channel to said decoder means (26) associated with the display and speaker.