Description
If your telephone line is ADSL enabled, the ADSL signal is applied over the same wires from the exchange as your normal voice calls - both services can operate simultaneously. Although the ADSL signal is generally outside the range of a normal audio signal, you would still be able to hear some interference from the ADSL signal on your voice call, so you will need to fit 'microfilters' (also known as ADSL splitters) to your phone extensions. These provide a filtered phone outlet, so that the ADSL signal is removed so that you can use your phone normally. You would normally need a microfilter on all telephone sockets that are used for telephones (unless you have fitted a 'master' microfilter adaptor to your BT master socket, but that is rare nowadays).
Draytek supplies two types of Microfilter; a compact one and a 'tailed' one. As well as your personal preference to the style, the 'tailed' model provides a more comprehensive filtering method (sometimes known as 'active' filtering). Both types have a socket for the telephone, and another socket (RJ11 type) for your ADSL device (modem/router).
Specifications
Summary
- Product Description
- DrayTek ADSL Microfilter Tailed - POTS filter
- Device Type
- POTS filter
- Form Factor
- External
- Digital Signaling Protocol
- ADSL
Detailed Specification
General
- Device Type
- POTS filter
- Form Factor
- External
Modem
- Connectivity Technology
- Wired
- Digital Signaling Protocol
- ADSL
Expansion / Connectivity
- Interfaces
- 1 x modem - ADSL , 1 x phone line
Customer reviews
Write a review for the DrayTek ADSL Microfilter here!
Exelsus is the brand on these
Reviewed by DVDSS. Review Posted 24/10/2007
Not sure whay they say Draytek or ADSLTAIL is the manufacturer. On them it says Excelsus which is part of Pulse Engineering owned by Technitrol. Anyway they worked without any noticeable problem.
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Not as good as I thought
Reviewed by Neil Parbrook. Review Posted 05/07/2006
Well I live in a radio station and have a lot of trouble with RF interferance on my telephone lines. I purchased this filter as I am of the belief that Vigor are a good manufacturer, however I did find that this device fell short of my expectations and didn't clean the line up as well as the one supplied by my broadband supplier. A small problem for most but I expected better at this price
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The opinions expressed in this reviews section are those of our customers and not of BT Business Direct. Nothing contained herein amends BT Business Direct’s terms and conditions.

