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Lorna Bailey

Lorna Bailey

Marketing Assistant

What is a Leased Line?

A leased line is a dedicated, fixed bandwidth, symmetric data connection. Now, that may not make much more sense to you, so let’s break it down.

Dedicated means that it’s a connection specifically for your business and you won’t have to share it with anyone else. Bandwidth refers to the volume of data that can be transmitted through a connection, usually referred to in bits per minute (Mbps). So a connection with 20Mbps will be able to send twice the information of a 10Mbps connection. This doesn’t necessarily make the connection faster, but you will be able to receive more information. A symmetric data connection means that your upload speeds will be exactly the same as your download speeds.

What is a Leased Line?

A leased line is a connection that is used by businesses for internet, data and telephone services.

Leased lines are useful for:

  • Sending and receiving large files
  • Access to work for remote workers
  • VOIP telephony


The biggest advantage of a leased line is that you do not need to share this connection with anyone else. It is a connection specifically for your business to use. This means that unlike a standard internet connection you will not experience slow speeds and downtime at peak times when other users are trying to access the internet.


The biggest drawback of a leased line is the price. Leased lines can be very expensive. The installation process for a leased line can also be a very lengthy process. Want the benefits of a leased line without the expensive price tag? An EFM line might be the solution you are looking for!

What is an EFM Line?

EFM stands for Ethernet First Mile. Like a leased line, an EFM line is a dedicated symmetric connection. Meaning your upload and download speeds are the same. This type of connection uses copper pairs (phone lines) to deliver Ethernet connectivity. This type of connection is extremely reliable. If there is a fault with one of your lines, your connection will be maintained by another pair.


An EFM line will offer you the benefits of a leased line, such as a dedicated connection (one you do not have to share) and speeds of up to 35Mbits, but for a fraction of the price! EFM lines are a lot quicker to install than leased lines.


Although installation time will be quicker for an EFM line than a leased time, the process is still not quick. But a short wait for a reliable connection that will offer you great internet is a small price to pay!

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