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Customer Review

18 of 20 people found the following review helpful
5.0 out of 5 stars ADSL Microfilter(s), 4 Feb. 2006
This review is from: ADSL Microfilter (Electronics)
There doesn't seem to be much difference in the cheap and the expensive ADSL filters, they are all effective at their job. You will need one per telephone socket in use. You plug the filter into the telephone socket and the filter provides two sockets, one for telephone and one for data. It basically separates the telephone from the data signal and presents each respective signal to the respective socket.
Don't forget you need one per telephone socket in use, and if you have more than one telephone plugged into the same socket then you will need to handle that from the other side of the filter, and the sockets are quite close together, so be careful which line splitter you use.
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Showing 1-2 of 2 posts in this discussion
Initial post: 15 Jul 2011 20:38:14 BDT
Big Ben says:
Hello Linda - may I respectfully disagree with you?
Some cheap filters are indeed similar to the better ones (which tend to cost more) but there _is_ such a thing as a naff ADSL microfilter; and these do tend to be sold more cheaply.
Sometimes they do not work at all, more often they do connect but degrade the signal thus reducing data rate or causing the 'phone connection to be degraded. Some will pick up local radios - we have all heard passing taxis/police/whatever on our analogue radios. Well, this can happen on dodgy filters. I bought one, once! The ADSL line would drop out every time I sent a text from my mobile. It was fun finding that one, but then I'm a telecoms engineer.
The worst ones (in my view) are the ones that work OK, then fail after too much ringing voltage over time, or a kick from some lighting, or old age; you get the idea.
Unless you have a spare filter and think to try it out before calling for help this could cost you a BT (or other telecom supplier) call-out fee. The 'cheap' filter then becomes rather costly!
So by all means go for the cheaper ones, but do get a spare, do check them both out when new, and swap them again if the line goes sour one day. Might fix the fault and could save a big bill from BT for changing a very small item.
Hope your filter continues to work well, and that you have a spare handy, too.

Ben

In reply to an earlier post on 7 Dec 2011 07:45:19 GMT
Good advice ben, thank you

Colin
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Location: Chippenham, Wilts, England

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