Communication between devices by radiofrequency, where obtains an infinity of possibilities, in a lowcost level less than other conventional installation. For more information click the links below: Radiofrequency installation Sistemas & Control Integral Siglo XXI C/ Jaume Balmes,10 08210 Barbera del Vallés More information. Demo video. Sitio WEB en construcción y pruebas. Registered in the commercial register of Girona tome: 2659 Folio 112 Sheet Number GI-46292 Inscription: 1st