The Fritz!Box is a series of multifunctional routers developed by the German company AVM. These devices provide internet connectivity and often include features like a built-in modem, Wi-Fi capabilities, and network management tools. They are popular in Europe for their reliability and user-friendly interface. In addition to basic routing functions, the Fritz!Box can support various applications such as VoIP telephony, media streaming, and smart home integration. Many models also offer advanced security features, making them suitable for both home and small business environments.