The longest an Ethernet cable can be without losing signal is 328 feet, or 100 meters. Regardless of length, Ethernet cables can be run outside, although that requires ones designed for the outdoors.

Cable length does not matter in most cases if the cables are certified. Part of a network I setup had a group of 4 stacked Cisco 3750 switches connected to patch panels with a crap ton of 6" cables.

What you’ll love: This Cat8 Ethernet cable is available in length options between 1.5 and 150 feet, a minimum size half the length of most other Cat8 Ethernet cables.

What you’ll love: This Cat8 Ethernet cable is available in length options between 1.5 and 150 feet, a minimum size half the length of most other Cat8 Ethernet cables.

Each cassette contains 1.3 meters (4.3 feet) of Ethernet or optical cable and a steel spring mechanism that pays out the cable to the right length. It also pulls both ends of the cable in flush ...

You can make your own Ethernet cable to achieve lengths that are more useful and save some money in the long run. Here's how. When you purchase through links on our site, we may earn an affiliate ...

To avoid this, Gigabit Ethernet adds a "carrier extension" that more or less pads packets to 512 bytes so that aggregate cable lengths of 200 meters remain usable.