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Thread: Realistic range and tips for WiFi devices

  1. #1
    Constant Bitrate JayKaye's Avatar
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    Realistic range and tips for WiFi devices

    Hi all. I will be buying a wireless access point soon and a card for my carpc. What I would like to know is if I should mount the access point in my room (3 stories up with my house at the top of a hill) or in the garage (obviously 3 stories lower and below ground level with 2 huge metal roller doors a few metres infront of it).
    Having it in the garage makes it closer to where my car will be so I know without a doubt I will get a decent connection when I drive into my drive-way, but I would also like to keep this connection for as long as I can while I am driving away (or towards) my home. If I have it in my room, higher up, would the range increase?

    I have a fairly good knowledge in how electro-magnetic waves work through my amateur radio skills, however I know little about the output wattage or gain on the access point/WiFi card and the carriers susceptibility to interference etc etc, so I was hoping I could get a professionals opinion.

    Thanks in advance guys

  2. #2
    Maximum Bitrate
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    metal doors = big no no for ghz frequencies - I reckon you'd get more higher ( and still enough to connect from down below in drive ) try both and see...
    James
    www.digital-car.co.uk - The UK CarPC Forum

  3. #3
    Constant Bitrate
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    Well, my recommendation if you have a 3 story house on a hill, is to attach an amplifier and omni antenna to the AP and attach it to the outside of the house. This would give you the most range as you would be able to max out the EIRP for the 2.4ghz ISM band. If you need any additional info, specs, or formulas, just let me know.

  4. #4
    Constant Bitrate JayKaye's Avatar
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    Thanks for the tips guys. Firstly I have no idea what AP, EIRP and ISM stand for, please elaborate on those.
    I should be getting a access point in a week or two from now, ill make another post once everything is up and running.

    Thanks again for the tips.

  5. #5
    FLAC bosstone74's Avatar
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    Quote Originally Posted by JayKaye
    Thanks for the tips guys. Firstly I have no idea what AP, EIRP and ISM stand for, please elaborate on those.
    I should be getting a access point in a week or two from now, ill make another post once everything is up and running.

    Thanks again for the tips.
    AP= Access point
    the others I don't know

    However I have the d-link di-624 router and a d-link dwl-g650 pci with an external 7db antenna for my car...the closest I can get in my car from my Apartment is about 100yards away with 2 stories up. And I'm still going at 95% strength....really is fast.
    With those 2 products you can supposedly go up to 108mb of speed transfer rate.

    FAST!
    BossTone74

  6. #6
    FLAC john1701's Avatar
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    i work with wifi, netgear on the box 1600feet. The real world distance is about 100feet because of trees, buildings, electrical lines.

    same with linksys, buffalo

    now you can get one of these like i have in my car.
    http://www.streakwave.com/Product-2440-Indoor.asp
    My car has a real world distance about 1000feet
    The MC of Florida Car PC Meets
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    The Florida Meets Thread

  7. #7
    Newbie
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    Im using a Linksys setup 3rd floor reaches the max 350ft @ 55% signal strength. Linksys cards have netdetect built in which is nice when cruising for hot spots.

  8. #8
    FLAC john1701's Avatar
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    netgear also has it. Just upgraded my carputer from netgear 11mps to linksys g54.
    The MC of Florida Car PC Meets
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    PC: Acer EEE 900HA with Win7 with CF 2.0.
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    The Florida Meets Thread

  9. #9
    Constant Bitrate bridqer's Avatar
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    at my parents house in arizona (no trees) i set up a network bridge that spans almost a mile. the neighbors (agricultural area) have i think a 9db gain omni and i was using the standard rubber duck antennae. i finally bought a directional 13db gain antenna and mounted it outside because the cordless phone would interfere with the little one. but the neighbors set up a network bridge that goes two miles into town to their busniss office in town.
    '99 F-350 Crew 7.3L~'02 F-350 Crew 7.3L~ '04 Dakota SLT+ 4.7L
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  10. #10
    Constant Bitrate JayKaye's Avatar
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    bridger, impressive

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