20-25m RJ-45, 8P8C Ethernet Cables

Get Better Internet Speeds with the Right 20m Ethernet Cable

You may have thought that buying an Ethernet cable was simply a matter of choosing the correct length - but there is a little more to it. Many people prefer the reliability of a wired connection over wifi, for a variety of reasons. All the designations can seem confusing at first, but it is more than worth taking the time to sit down and work out what you need.

What sorts of Ethernet cables are there?

You may have seen a few different designations in the description of 20m Ethernet cables, but the Cat simply stands for Category, and the number refers to the standard to which the cable was made. The higher the number, the faster the speeds, and the differences are:

  • Cat5e: Unshielded. Up to 1Gbps transmission speed and 100MHz max bandwidth.
  • Cat6: Available either shielded or unshielded. Up to 1Gbps transmission speed and 250MHz max bandwidth.
  • Cat6a: Shielded. Up to 10Gbps transmission speed and 500MHz max bandwidth.
  • Cat7: Shielded. Up to 10Gbps transmission speed and 600MHz max bandwidth.
  • Cat7a: Shielded. Up to 10Gbps transmission speed and 1,000MHz max bandwidth.
How do you know which Ethernet cable you need?

Check the speed of your internet connection. If it is fairly slow, then you dont need a very high-speed cable. A Cat5e cable is sufficient for most households and is the most popular due to its affordability combined with its improvements over the Cat5. But if you have high-speed internet, you will need a high-speed cable to make sure youre getting the most out of your internet package. If you stream a lot of videos online or spend a lot of time playing online games, you will get much better speeds with a Cat6 or Cat7 20m Ethernet cable.

What do UTP, STP, and FTP mean?

UTP stands for Unshielded Twisted Pairs. Twisted pairs simply means the way in which the cables are made, and is an industry standard for Ethernet cables. STP stands for Shielded Twisted Pairs, and FTP stands for Foiled Twisted Pairs - both of these are types of shielding which reduce noise and give a better connection. Unshielded cables are cheaper and more flexible, but this comes at the cost of increased vulnerability to crosstalk and poorer signal quality.