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165 posts

Master Geek
+1 received by user: 1

Topic # 64951 26-Jul-2010 16:10
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Hi all,

I only have tonight to fix this issue for a friend.

He is on vodafone (via telecom) for his broadband and currently uses the normal vodafone modem. We bought a new Netgear wifi router and set it up. All works fine except for the fact the download speed is about half what it is with this modem than with the vodafone one. We exchanged the Netgear for an ASUS router/modem and set it all up and again the download speed is half that of the vodafone modem.

Vodafone modem download is 1376kbps
Netgear router/modem is 796kbps
ASUS router/modem is 800 kbps

Anyone got any idea why this may happen and what we can do to fix it? We are hoping it's something obvious.


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6312 posts

Uber Geek
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  Reply # 356645 26-Jul-2010 16:27
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Hi Neil, my first thought is that you only getting 1.3Mb/s with the best modem, that would indicate that you are probably well over 50dB attenuation, once over 50dB most modems become pretty unpredicatable as they are really operating outside their normal useful limits.

What do the line stats actually show for the various modems, also with such a high attenuation have you tried connecting directly to the line with no house wiring connected.


1984 posts

Uber Geek
+1 received by user: 133


  Reply # 357134 27-Jul-2010 14:46
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Yes I would just say that all of them are slow, don't worry about the difference between them.

If that was the ADSL datarate, your friend might be able to call the ISP and talk to them about what filters etc are installed. Or if the ISP says you should get faster speed, then you might be able to organise someone to go back oneday to install a permanent splitter and/or modem cabling in the house.

Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

165 posts

Master Geek
+1 received by user: 1

  Reply # 357142 27-Jul-2010 14:57
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Thanks for the info guys, it's a great help.
It's an old house my friend has moved into so I think it probably is the cabling at the house that's the issue.
We had to take back the new wifi routers, all credit to JB Hifi who exchanged and refunded without issue.

We'll get someone to check the cables and take it from there, I think I recall his attenuation was 62dB.

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