Short answer
You do not strictly need Wi-Fi 7 for gigabit broadband, but it can make gigabit speeds easier to use wirelessly on compatible devices. Ethernet remains the most reliable way to get close to full gigabit speeds.
Why gigabit speed can disappear over Wi-Fi
A gigabit package measures the connection to your home. Wi-Fi speed inside your home depends on router quality, device support, distance, walls, interference, channel width and how many devices are active.
That is why a gigabit full fibre line might show excellent speeds on Ethernet but much lower speeds in a bedroom or garden office.
When Wi-Fi 7 helps gigabit broadband
- You have Wi-Fi 7 phones, laptops or PCs.
- You want very high speed close to the router.
- You use multi-gig local networking or large file transfers.
- You have a premium mesh system with strong backhaul.
- You want more future-proof wireless hardware.