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Half mile wifi hop

Discussion in 'Tech Talk' started by DonMcnut, Nov 29, 2010.


  1. DonMcnut

    DonMcnut
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    Mom and dad live in a somewhat rural neighborhood that has been promised DSL/Uverse for the past decade or so. Recently however a select few of their neighbors have been able to get DSL but they were told that not everyone will be able to get it and those that do have it now are the only ones that will be getting it. The rest of the people are currently using an extremely unreliable Wifi company that has a tower in the city and puts towers on their roofs.

    According to Google Earth, my house is only .47 Miles and I currently have 6mb down DSL. My question is, how tough (or possible) would it be to basically share my connection with them? They already have a pole on their roof with what looks like a directional antenna and I have worked a lot with smaller wifi networks in the past.
     

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  2. IndyGunFreak

    IndyGunFreak
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    A half mile?.... I'm not really sure any sort of "home" repeater s going to get you that far, but it'll be interesting to see informed responses.

    I'm assuming your parents cannot see your ESSID from their home?

    IGF
     

  3. Patrick Graham

    Patrick Graham
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    #3 Patrick Graham, Nov 29, 2010
    Last edited: Nov 29, 2010
  4. DonMcnut

    DonMcnut
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    I know I am going to have to use a nicer outdoor directional antenna on both sides but I am actually thinking about using DD-WRTed routers on each side. I am still in the research phase but I know it is possible (their current ISP antenna is close to a mile right now) and I am just looking for experiences.
     
  5. IndyGunFreak

    IndyGunFreak
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    Whats the line of sight like between you and your dads? I'm a
     
  6. srhoades

    srhoades
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    For those kind of end to end wireless connections it needs to be line of sight, change in terrain, trees etc will eat the signal alive. Definitely doable with strong enough antennas on each end.
     
  7. Dalton Wayne

    Dalton Wayne
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    Have they given any thought about satellite internet service
     
  8. IndyGunFreak

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    Honestly, he probably wouldn't get much better service out of satellite, not to mention it is also usually outrageously expensive.
     
  9. kc8ykd

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    i've worked with some fixed point to point and point to multi-point wireless in the past, using 900mhz/2.4ghz and licensed spectrum.

    what you want to do is entirely possible, dependent on a couple things.
    a. the terrain between locations
    b. the antennas used


    before you get real far into your project, do this:
    stand on your roof and see if you can get a clear sight path to your far end. using optics is fine, you want to make sure that it's free of obstructions, trees, chimney's and anything else.

    if you're going to use 2.4ghz equipment and you see a part of a pine tree in your way, stop there.
    pine tree 'leaves' are excellent at refracting 2.4ghz signals, they act like a broken mirror to a beam of light.

    if you see a clear path, make sure you've got good mount points on both ends and get ready to unload some money on good cable and antennas.

    dd-wrt isn't required, with good antennas on both ends you won't have a need for it unless you want to do some snmp monitoring that the pre-flashed gear won't do.
    edit to clarify: dd-wrt won't be required if the equipment you're using will act as a bridge natively

    check out your path and report back. if it's good we can start moving onto antenna choices

    we'll also need to think about weather proofing connections, grounding, and entry points into the structures and placement of the equipment inside the locations.

    the gear i've worked with in the past includes trango, moto canopy and cisco aironet and a couple others i can't remember currently (in addition to your consumer grade stuff)

    one of our runs was about 10 miles, that was using 900mhz gear and very nice directional antennas.
     
    #9 kc8ykd, Nov 29, 2010
    Last edited: Nov 29, 2010
  10. Pierre!

    Pierre!
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    DefCon Wifi Contest results from 2004:
    Wi-Fi Shootout II
    Most Innovative Antenna: "Turbo Crew" - 0.821 miles
    Commercial "Range Box": 14.0 miles
    Enchanced Power Homemade: "P.A.D" - 55.1 miles
    Homemade: "P.A.D." - 55.1 miles

    If these guys can do it, YOU can do it!!! :cool: That's some distance!

    I'll be watching this thread... should be very good!