The Fritz! Box 4040 can be used as a fast WLAN AC router on any existing network or any DSL, cable or fibre optic modem. UMTS, HSPA and LTE sticks for Internet access are also supported. The Fritz! Box 4040 connects all computers, smartphones, tablets and other network-enabled devices with each other and with the home network with the usual comfort. For users who want to continue using an existing cable or VDSL/ADSL modem, or expand an existing network, the Fritz! Box 4040 is the perfect solution for the entry into modern home networking. The Fritz! Box 4040 supports 2.4 GHz and 5 GHz connections simultaneously. This leads to significantly longer range and higher transmission rates in WLAN. Several broadband intensive applications can thus be used wirelessly and in parallel - at speeds of up to 866 MBit/s (5 GHz) and 400 MBit/s (2.4 GHz). As a WLAN router without an integrated modem, the Fritz! Box 4040 becomes a flexible all-rounder in every home network and at all Internet access points. The Fritz! Box 4040 brings powerful WLAN AC + N, 4 ultra-fast Gigabit ports, 2 USB interfaces (USB 3.0 and 2.0) to an existing modem or network, thus enabling sophisticated networking scenarios. The Fritz! Box 4040 offers the versatile Fritz! OS, which provides the usual Fritz! functions and comfort features. These include parental controls, guest access, car channel, home network overview, the MyFritz! service, NAS functionality, versatile Fritz! apps, continuous updates and much more. As a media and data center with NAS functionality, the Fritz! Box manages connected USB storage devices and makes the content available in the home network. A media server provides the platform for networked applications such as IPTV, video on demand or media streaming. Stored films, music and pictures are available throughout the network and can be distributed to playback devices via smartphone and Fritz! App Media, for example.