Internet Compatible with any modem You can connect your FRITZ!Box to any DSL, cable or fiber optic modem. Alternatively, it can also provide an Internet connection for your local network with a 3G (LTE/UMTS) dongle. The FRITZ!Box easily integrates into existing Wi-Fi environments. 4 x gigabit Ethernet The FRITZ!Box is equipped with four gigabit Ethernet ports. Establish a connection to the...
> https://en.avm.de/products/fritzbox/fritzbox-4040/details/
Interfaces Wireless router with an SFP port for a FRITZ!SFP fiber optic module (AON, GPON or XGS-PON, depending on edition) 1 x 2.5 gigabit LAN port (IEEE 802.3bz standard, NBASE-T) 2 x 1 gigabit LAN ports Wi-Fi 6 (5 GHz, 2.4 GHz) Integrated DECT base station for up to six cordless telephones 1 a/b port (TAE/RJ11) for analog phones, answering machines and fax Internet Fiber optics router with...
> https://en.avm.de/products/fritzbox/fritzbox-5530-fiber/technical-specifications/