(Refurbished) Updates via Wi-Fi Get the latest maps and software for your TomTom GO via built-in Wi-Fi. No computer needed. Your sat nav will notify you when. TomTom world map updates at no extra cost, see what is up ahead with fresh and up-to-date maps on your GO 620 Sat Nav, Map updates included, no separate subscription needed. Trusted TomTom traffic: Be in control of your drive with updated traffic info to avoid traffic jams and save on fuel consumption; TomTom Traffic subscription included. Speed camera alerts, stay updated, under the speed limit, and safer along the way. Wireless Connectivity: Stay updated quickly and easily with the TomTom GO 620 GPS Sat Nav; Get regular software and world map updates with the convenience of built-in Wi-Fi. No computer needed. Large interactive 6'' screen and powerful speaker, safer driving with clear route guidance and speaker.