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Wifi amplifier

  • 12-07-2010 3:57pm
    #1
    docetes
    Registered Users Posts: 87 ✭✭


    Does anyone know of a non do it yourself wifi amplifier?


Comments

  • #2
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 13,998 ✭✭✭✭Cuddlesworth


    No. They don't really work and some are illegal in this country.


  • #3
    softdancomputer
    Registered Users, Registered Users 2 Posts: 197 ✭✭softdancomputer


    check Maplin, they have some wifi range extenders


  • #4
    e-sull
    Registered Users Posts: 181 ✭✭e-sull


    Cuddlesworth wrote: »
    No. They don't really work and some are illegal in this country.
    Why illegal?!


  • #5
    wolfric
    Registered Users, Registered Users 2 Posts: 1,190 ✭✭✭wolfric


    e-sull wrote: »
    Why illegal?!

    Because of the huge amount of wifi traffic, any more power and they'll interfere too much together. Imagine what it would be like if every ipod, radio and speaker blasted out at 100 DB. It'd make things very hard to hear all mashed up together (metaphoricly speaking obviously as sound is a mass wave and wifi is electromagnetic)


  • #6
    e-sull
    Registered Users Posts: 181 ✭✭e-sull


    ya i getcha.. would that not really only be a problem in urban areas though??


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  • #7
    Snowbat
    Registered Users, Registered Users 2 Posts: 1,064 ✭✭✭Snowbat


    Yes but EU regulations limit the maximum transmit power of 2.4GHz devices to 20 dBm EIRP.

    If this is for a point-to-point link, directional antennas are the way to go - gain on receive *and* transmit plus a reduction in signals and noise from unwanted directions (with line-of-sight and the right antennas, 10km is no problem). If it's for better coverage inside a building, look at deploying multiple access points.


  • #8
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 13,998 ✭✭✭✭Cuddlesworth


    As above, there are power limitations and by boosting the signal you create more noise and interference. The fact remains that the weakest part of a wifi setup is generally the laptop not the router. That's why directional antennas and good lines of sight work much better.


  • #9
    docetes
    Registered Users Posts: 87 ✭✭docetes


    basically the problem is that the walls in my friend's house "are too thick" so I was thinking if I could get an "amplifier" and place at the other end of the house, she could get better WiFi coverage


  • #10
    Snowbat
    Registered Users, Registered Users 2 Posts: 1,064 ✭✭✭Snowbat


    Yes, you can do this with either a range extender or an access point. A range extender is easy to install - just put it where it can get a wireless signal from your router and it will relay to the new area. An access point requires running an ethernet cable (or powerline adaptors) from it back to the router but it will give better throughput and generally more stable connections.


  • #11
    Saganist
    Registered Users, Registered Users 2 Posts: 1,333 ✭✭✭Saganist


    docetes wrote: »
    basically the problem is that the walls in my friend's house "are too thick" so I was thinking if I could get an "amplifier" and place at the other end of the house, she could get better WiFi coverage

    Homeplugs are what you need !

    http://tinyurl.com/3xgkg29


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