With the advent of Digital Television in our country, free-to-air television broadcasters are now able to offer viewers new applications, as portable TV, which gives the latest ability to watch content freely from all Brazilian TV companies, by using personal devices including Mini TVs, Palm Tops and Cell Phones. The main purpose of this thesis is to propose a strategic agenda on how to provide portable TV service with a competitive and sustainable advantage to Globo. This research is applied, documented and participative, and follows the methodology of case study with two analysis units, Globo and Vivo, both market leaders on television and mobile phone industries, respectively. A global view of the TV and mobile phone industries is presented, together with already developed business models from countries which have had experience with portable TV around the world, Japan and South Korea, and also the just born Brazilian portable TV market scenario. Environmental analysis is done using the six interrelated dimensions proposed by Barney & Hesterly. Both industries are analyzed using Porter´s five forces method and the resource-based view is used together with the VRIO framework for Globo and Vivo´s strategic internal resources analysis. Using the Delta Model unified framework as main tool, this thesis concludes with a proposal for a strategic agenda for Globo´s repositioning from a better product strategy to a system lock-in positioning through dominant exchange. Nevertheless, this thesis also proposes a development of a hybrid portable TV market model, where both companies would de complementors.