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With the national rollout of the 8 Mbps service, many people are receiving a much lower speed than their line is capable of.

The main cause of this is down to poor or incorrectly wired extensions and the setup of microfilters.

Even if you think your extensions are correct, this page may help you vastly improve your connection speed, stop disconnections from happening and generally improve the stability of your broadband.


Below is the interactive guide. If you prefer the basic HTML version, click here.


The below diagrams show you the positioning of filters required for broadband to work properly. Hover part of an image to see a tip.

Take particular note of where the filter(s) need to be placed. This is essential and if incorrectly setup, will stop the broadband from working.

Example One
(Telephone and modem)




Example Two
(Telephone and modem with an extension)




Example Three
(Telephone and modem with a hardwired extension and second BT socket)

This is your main BT socket in the house. This is a filter - it's required wherever a phone is usually plugged in. A standard telephone. Your modem or router device. Your PC. This is a filter - it's required wherever a phone is usually plugged in. Your PC. Your modem or router device. This is a filter - it's required wherever a phone is usually plugged in. Your PC. A standard telephone. A standard 2 way telephone splitter. This is your main BT socket in the house. A standard telephone. A standard telephone. An additional  BT socket (usually upstairs). This is your main BT socket in the house. This is a filter - it's required wherever a phone is usually plugged in. This is a filter - it's required wherever a phone is usually plugged in. Your PC. Your modem or router device.


If you are unsure of how to proceed, or are still having problems, please post on our forum and we will do our best to help.


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