Newer firmware adds automatic fallback to a mobile dongle or another FRITZ!Box, which materially improves resilience when the primary connection fails.
Pros: telephony features, value for money
Cons: LAN port speed, wall-mounting support
Best Wi-Fi Routers for WAN failover
With the optional cradle, the M7 can automatically take over when fixed broadband fails, creating a strong backup-internet setup.
Pros: eSIM flexibility, cellular connectivity
Cons: interface responsiveness, Ethernet port count
Multi-WAN failover is one of the most useful travel features, switching among Ethernet, repeater Wi‑Fi and tethered cellular sources. It is repeatedly praised for keeping remote-work connections resilient.
Pros: VPN client support, value for money
Cons: 6 GHz performance, USB storage sharing