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WRT54G V5 and High Gain Antennas

Discussion in 'Cisco/Linksys Wireless Routers' started by Dropknee, Oct 11, 2005.

  1. Dropknee

    Dropknee Network Guru Member

    Hi I recently get this router, and set up my father computer in the 2nd floor, I receive a low signal, because of this I buy the high gain antenna kit from linksys, and dont know why I receive less signal than the stock one. I live in Puerto Rico and all the house here are in concrete, I know this weak the signal but.. that much???

    Can anyone pls help me here?? any tip??

  2. Toxic

    Toxic Administrator Staff Member

    Personally if you have just bought this I would return it for a V4 WRT54G as there is no 3rd party firmware yet for this model since it uses VxWorks and not linux.
  3. picopir8

    picopir8 Network Guru Member

    Concrete floors have wire mesh to help distribute the load. That acts like a gaussean cage that blocks all RF. So its not surprising that you have poor reception.

    Im not an RF person so I dont know why the high gain antenna is performing worse. Perhaps something changed when you installed it (ie slightly moved the router or moved antenna direction).

    What I would try is angling you antennas downward at 30 degree increments. If you see the signal inprove, then fine tune the antenna angle.
  4. Dropknee

    Dropknee Network Guru Member

    I got this from Linksys warranty because mine dead few weeks ago, thats why I get this V5, I experience this in V2 too, I have the router in top of my computer, and both , my father and my computer are in wireless conecction.

    The signal have to pass 2 concrete wall to get a 12mbps poor signal conecction in my fathers comp. BTW I cant move the router around because of the ISP instalation, my broadband is a Wireless ISP (called Fixed Wireless ISP in some sites) www.aeronetpr.com to know what im talking about.
  5. Toxic

    Toxic Administrator Staff Member

  6. brugar

    brugar Network Guru Member

    The antenna signal pattern is shaped like a donut. Signal is strongest in directions perpendicular to the antenna. Signal is weakest above top of antenna and below bottom. If you replace the standard antenna with a higher gain antenna, the donut gets squashed: the signal is stronger in the plane perpendicular to the antenna and weaker above and below that plane.

    Try tilting the antennas so that they are perpendicular to the direction between the router and the computer you are trying to connect to.

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