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Why a cable wins for live TV
Ethernet gives your device a dedicated, interference-free link with consistent speed and almost no packet loss. Wi-Fi shares airtime with every phone, laptop and neighbour’s network nearby, and walls, mirrors and microwaves all degrade it. On-demand services hide brief Wi-Fi dips by buffering far ahead; live streams cannot, so they stutter.
Side by side
| Wi-Fi | Ethernet | |
|---|---|---|
| Stability | Varies with distance, walls and interference | Consistent |
| Speed at the TV | Often well below your broadband speed | Your full broadband speed |
| Effect of other devices | Shares airtime with them | Unaffected |
| Convenience | No cables | Needs a cable or adapter |
When Wi-Fi is fine
- The TV is in the same room as the router, or one thin wall away.
- You use 5 GHz Wi-Fi (or Wi-Fi 6/6E) and the signal is strong.
- You watch in HD and the household is not saturating the connection.
Options when a cable is not practical
Ethernet adapter for sticks
Official adapters add a wired port to a Fire TV Stick or Chromecast, powered from the same plug.
Mesh Wi-Fi
Several units place a strong signal next to the TV. Some have Ethernet ports to wire the TV to the nearest unit.
Powerline adapters
Send the network through mains wiring. Often good, but results depend on your wiring; plug them straight into the wall.
Flat or flexible cables
Thin flat cables run neatly under carpets and along skirting boards.
Already having problems on wireless? Our Wi-Fi problems guide has the fixes.
Wi-Fi standards in plain English
| Standard | Also called | For streaming |
|---|---|---|
| Wi-Fi 5 | 802.11ac | Fine for HD and often 4K close to the router |
| Wi-Fi 6 | 802.11ax | Better in busy homes with many devices |
| Wi-Fi 6E | 802.11ax on 6 GHz | Extra, less crowded spectrum; short range |
| Wi-Fi 7 | 802.11be | Newest; benefits depend on both router and device |
Running a cable neatly
- Flat Cat6 cables slip under carpets and along skirting boards.
- Adhesive cable clips keep runs tidy without drilling.
- Ethernet runs can be up to 100 metres, so distance is rarely the problem: routing is.
- A small network switch behind the TV lets one cable serve the TV, the stick and a games console.
Frequently asked questions
Is Ethernet better than Wi-Fi for IPTV?
Yes. It is more stable, delivers your full broadband speed and avoids interference, which matters most for live streams.
Can I use Ethernet with a Fire TV Stick?
Yes, with Amazon’s official Ethernet adapter. The Fire TV Cube has a built-in port.
Is Wi-Fi 6 good enough for 4K streaming?
Often, yes, with a strong signal and few walls between the router and the TV. Ethernet is still the most reliable choice for the main screen.
