Router-FAQ.de: FRITZ!Box & Router - FRITZ!Box hinter einem Kabel-Modem [ab Firmware xx.04.86]
AVM FRITZ!Box 4040 Wireless Router (Cable/DSL/Fibre Modem, Dual WLAN AC+N, 866 Mbps and 400 Mbit/s , 4 x Gigabit LAN, 1 x USB 3.0, 1 x USB 2.0, Media Server): Amazon.de: Computer & Accessories
Y-Cable 32 10/12ft For USB DSL Isdn Modem AVM Fritz! Card 2.0 Y-Cable | eBay
AVM FritzBox 6590 Cable WLAN AC + N Router (DOCSIS 3.0 Cable Modem Dual Wi-Fi AC + N with 1.733 Mb/s + 800 Mb/s VoIP Telephone System), White: Amazon.de: Computer & Accessories
AVM FRITZ!Box 6490 Cable WLAN AC + N Router (DOCSIS-3.0-Kabelmodem für Kabelanschluss, bis 1.300 Mbit/s VoIP-Telefonanlage, DECT-Basis): Amazon.de: Computer & Zubehör
FRITZ! Clip - Connecting the FRITZ!Box in 5 minutes - YouTube