Transmission system for providing url information of broadcasting contents using settop-box and method thereof

PURPOSE: A detailed information transmission system of the broadcasting contents and a method thereof using a set-top box are provided to supply the detailed information of the additional wireless terminal in order to transmit the detailed information about a specific object. CONSTITUTION: A first local area wireless communication unit performs communication with a set-top box. A display device(137) indicates data received through the first local area wireless communications unit. A first controller(133) controls the first local area wireless communications unit in order to receive a message the detailed information of the specific object selected from the set-top box between the detailed information of a plurality of specific objects on IPTV.