DeviceEthernet
cable
RouterEthernet
Ethernet (network) cable
Your device already has an Ethernet jack, so a regular network cable is all you need.
See UGREEN options on AmazonHow do I join two Ethernet cables together?
Last checked November 14, 2026
Short answer
Use an Ethernet coupler, which joins two network cables into one longer run. For a long run, one longer cable is just as good.
Best matchEthernet coupler
See options on AmazonHow to connect it
- Plug one cable into each side of the coupler.
- Connect the far ends to your device and router.
Check this first
- Fine for a short extension. For a long permanent run, one longer cable is better.
Other ways to do it
Instead of the Ethernet coupler.
Questions people ask
Does a coupler slow the connection?
Not for normal home lengths with a decent coupler.
Not your setup?
Tap what you have and we will find the right part.