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Outdoor Wireless Bridge connection drop

Hello,

we have a 2 office buildings aprox 200 feet apart.

We setup a wireless bridge between the two buildings.

The antennas are directional.  The make of them are d-link 1800
http://www.dlink.ca/products/?pid=55

Access points are TP Link WA601G.
http://www.tp-link.com/products/product_spe.asp?id=116

We find that there are slow downs and frequent down time.  Does anyone know if the setup we have is sufficient?  Any recommendations?

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Simon Chen
Asked:
Simon Chen
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1 Solution
 
biofishfreakCommented:
A couple things: Use  a program like Network Stumbler http://www.netstumbler.com/downloads/ to do a wireless survey of the area surrounding both buildings and in between them most importantly. See what channels are being used elsewhere and try to switch to a channel with less interference.

Also, make sure the antennas are dead on centered- use a laser pointer to make sure. If you have the budget, try using a parabolic dish-type antenna such as the one found here: http://www.cyberguys.com/product-details/?productid=24508 . Shop around the web for something that is described like that and looks like that too, and you should be set.
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Simon ChenNetwork AdministratorAuthor Commented:
Thanks BiofishFreak.  We will make a trip down there sometime next week to try your suggestions.
Wiill a laser pointer work well outdoors during the day or is there a special type of laser we will need?
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biofishfreakCommented:
That's a good question... Try hitting up your local hardware store and ask them. I know that green lasers are easier to see during the day, but they cost more.
Keep me posted on how things work out.
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naykamCommented:
I agree with doing a site servery.

I did this a few years ago and was trying to shoot about 900m. Had a 2m (1watt, 24db) long cannon on one end with a 12db yagi on the other.

The problem you may also come across is you will have excellent signal strength but link quality is poor. I found this was due to too much interference on the 2.4ghz range. Try some channels other than 1, 6 and 11. I know you probably already have the gear but, If you still have troubles i would suggest trying the 5.0ghz range.

Try lining them up like BioFish said. That along with moving the channels would be my first movements.

Can I ask...
Is it happening at the same time everyday?
What is the signal strength the receiving access point is getting?
What is your average ping time to the receiving router?
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