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54 posts

Master Geek
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Topic # 128564 14-Aug-2013 22:22
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Hello everyone.two weeks ago i connected vdsl from telecom and got 35down and 6 up.My wi fi was giving me 27 down and 6 up. However, in a few days my speed went down to 7 down and 7 up. Wi fi is more critical for me as almost everything connected to it(ipad,laptop,xbox 360,tv,ps3,phone) and i cant even watch 720p on youtube. On my Adsl2+ i had 16 don and 0.9 up.COuld you please help me to solve the issue?i am using the modem/router provided by telecom.

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Meow
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  Reply # 878439 14-Aug-2013 22:40
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Use an app such as inSSIDer to determine what frequencies are less crowded in your area then change the WiFi channel to the less crowded one.

Go to http://192.168.1.254
Click Home Network
then Interfaces
Wireless Access Point
Untick "Power Reduction Enabled"
Apply and try that first to see if it helps.

If not change the "Channel Selection" to one with the least networks on it (normally 8 in my experience) - failing that you fall into the same boat as me, get a dual band router like the Asus DSL-N55U (approx $250) and bridge it with your modem (Here is a basic guide showing how to do just that), might be worth making sure your devices can support 5GHz WiFI but a quick google can tell you that.

Good luck.






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Master Geek
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  Reply # 878443 14-Aug-2013 22:48
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Thanks for fast reply.the thing is the next day I got vdsl I used asus dsl- n55u in bridged mode(how u said) and I got around 25 mb but in a few days speed has dropped.i kept checking the speed and it is around 7 all the time up and down.And today I decided to connect only to the telecoms modem(I thought n55u creates problem as software on in is beta)so I connected only telecoms modem and restarted it.the speed is 34 down and 5 up but it's through the wire.wi fi is still low on 7 down....



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  Reply # 878445 14-Aug-2013 22:49
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I also used wifi analyzer for my android and changed to less crowded 6th Chanel.strength is good everywhere but even next to the router I get extremely low speeds

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  Reply # 878485 15-Aug-2013 06:23
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What sort of environment do you live in?

The harsh reality of this modern world is that there are environments such as inner city apartments and heavily populated residential areas where 2.4Ghz WiFi is pretty much useless due to the noise floor. All those beacons flying around are the same as hundreds of people shouting in a room while you try and hold a conversation next to you - something that can end up being very challenging.

You need to identify the best channel remembering that in 99% of cases 1,6 and 11 are the only 3 channels that are usable.



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Master Geek
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  Reply # 878614 15-Aug-2013 11:01
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I live in appartments in city.12 floors and 4 apartments on each floor.but I cant understand why with adsl I was getting the same speed on wi fi as through the wire but at vdsl 7 down on wi fi vs 35 through the wire

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  Reply # 878637 15-Aug-2013 11:22
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Perhaps the wifi antenna on your ADSL2 router was better than the VDSL router you're using. If it's the TG589vn then, imo, it's Wifi sucks.




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Master Geek
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  Reply # 878646 15-Aug-2013 11:31
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n55u in bridge mode gives me the same speed.speeds are equal even if i am next to the router(telecom or asus)

Might call telecom again and ask them for reset.speed i am getting is quite consistent and around 7 which is not acceptable bcz with my adsl had more than twice of that speed.

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  Reply # 878650 15-Aug-2013 11:38
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What actual line speed are you getting, though? Resetting the VDSL connection won't help if it is your wifi bottlenecking.




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  Reply # 878668 15-Aug-2013 11:45
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  Reply # 878707 15-Aug-2013 12:24
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The thing that has changed could be one of your neighbours getting a new 2.4Ghz modem/phone/baby monitor etc

Bear in mind that InSSIDer will tell you what other wifi network are around, but it doesn't pick up other things going on at 2.4Ghz like cordless phones, baby monitors etc

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  Reply # 878714 15-Aug-2013 12:30
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Try on channels 1,6 or 11. See if any of them is better than the other.

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  Reply # 878907 15-Aug-2013 15:26
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If it's in a city apartment you'll find that the 2.4GHz spectrum is very crowded meaning slower speeds, dropouts etc (I get it here) - If your devices support 5GHz WiFi you're best to use that. Also try setting your WiFi router to use 802.11g only with WPA2-TKIP as the security type and see if that helps.




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  Reply # 878942 15-Aug-2013 16:37
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All you need is one neighbour or someone a few blocks away twiddling with an analogue broadcast device such as a video sender, which will completely wipe out any Wi-Fi as analogue uses a narrower but much stronger signal. I've seen a retailer who used Wi-Fi for POS suffer once because of this and I know a few hopping analogue audio links over 2.4GHz in Auckland.

All someone else needs to do is use a bluetooth device too, they don't really care about Wi-Fi and unfortunately Wi-Fi waits until there's a gap to transmit using CSMA.

And as mentioned above, there's baby monitors, cordless phones plus a faulty microwave oven and cellphones with Wi-Fi etc... all broadcasting becons also mentioned.

If you can replace your antenna with a higher gain one it 'may' help, or it could just receive interference worse. You need a higher output access point for a stronger downstream speed. Something like a 1 Watt Mikrotik. The goal is to be louder than your neighbour. But if you have 5GHz devices I'd go down that route instead, although there's plenty of 5.8GHz stuff around now too but there are a few more channels.

By the higher channel I'm guessing you mean channel 13? I use that too for long range (as in K's away) but it still suffers from interference because basic Wi-Fi is 20MHz wide which spills over down to about 10 and those on channel 11 definitely spill in to 13.




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  Reply # 878966 15-Aug-2013 17:19
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If you live in an inner city apartment the issue will be crowded spectrum.



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Master Geek
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  Reply # 878973 15-Aug-2013 17:31
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i understan but i dont think that everyone suddenly bought devices now.As i mentioned before i was getting 16 down speed three weeks ago.2 weeks ago got vdsl and had 25-27 down.a few day later it dropped to 7.neighboors stayed the same and i dont think that bought something uber powerful lol

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