The smallest FRITZ! Box all time

With the small FRITZ! Box 4020, you are optimally equipped for the transition to the big world of the wireless home network. You can use the 4020 as a pure wireless router flexibly to every cable and DSL modem. Doing so gives you very much benefit from his energy and the free FRITZ! OS updates.

Perfectly suited for the transition

Use the FRITZ! Box 4020 Cable on each fiber and DSL modem and expand your home network. With fast WiFi N and four Fast Ethernet LAN ports, the FRITZ! Box 4020 is an ideal plant for your home network.

Security for your home network

What safety concerns do the smallest FRITZ! Box all time not inferior to the other models. The communication is protected by a comprehensive safety concept that we constantly test and develop further. Further developments we make available via free updates so you are always assured of its safety.


FRITZ! OS operating system of your FRITZ! Box offers you frequently new features. Thanks to the FRITZ! Apps, you can also go with your smartphone to access the data stored on your FRITZ! Box telephone in your home network drive or a webcam. All updates and apps are of course free.

Excellent simplicity

The distinguished by the press and praised by users operating the FRITZ! Box is only focused on one goal: everything as simple as possible for you to make. This is thanks to a clear user interface and wizard guiding you step by step.