Bridging/Antenna Question, Dual Diversity Antenna Worth it?

Discussion in 'Networking Issues' started by pcastleberg, Dec 16, 2005.

  1. pcastleberg

    pcastleberg Network Guru Member

    Ok I have done wireless bridges before with linksys hardward but it was a long time ago.

    I need some advice, I am bridging between 2 buildings 1/2 mile apart direct LOS. Trying to do this as inexpensively as possible while still getting the best performance possible.

    Background, We will be bridging to share a DSL (1.5Mbps/512Kbps) and we would like to use Vonage at the remote location. This of course will also establish a network that we have needed sorely but thats just an added bonus.

    Question #1: What linksys hardware should I use, just 2 54G WAPs or 2 54G Bridges? Trying to stay as low cost as possible but definately want the 54G Bandwidth. Not sure if using WAPs to bridge still cuts the bandwidth in half like it did with the WAP11?

    Question #2: What kind of antenna is needed to ensure reliable connection and is a dual diversity antenna important?

    I know typically you have to disable the dual diversity radios in Linksys hardware because you can only connect 1 antenna reliably but I found this link: Dual Diversity Antenna and wondered if it would be a more reliable option than just going witih 1 antenna for each WAP.

    Any input or help would be greatly appreciated. I know the basics but haven't done this in quite a while. Anyone know what kind of bandwidth I should be able to expect from 1/2 mile?

    Thanks in advance,

  2. LordKain

    LordKain Guest

    I think that is your answer. Those antenna's can achieve up to 1.5 miles but ONLY if it is used in conjunction with other components from the same company. Anything advertised on the box is usually optimized based on the criteria mentioned above.
  3. pcastleberg

    pcastleberg Network Guru Member

    Thanks for the reponse. So what linksys hardware would you use?

    I also wasn't sure if that was a good brand of antenna or not...If I use the one linked it would definately be the same antenna on both sides.

    I was thinking of building my own Helix antennas but getting two of these for less than $80 bucks I think I will just buy and save myself the time.

    How many Decibles of signal loss can I expect over 30-40 feet of antenna cable?

    Thanks Again Patrick
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