What do you think about this Yagi antenna?

Discussion in 'Networking Issues' started by olanin, Aug 18, 2004.

  1. olanin

    olanin Network Guru Member

    I have a WRT54G in the middle of my house. Im new to antenna's, but looking for a cheap better antenna to extend range.

    I found this yagi antenna (Enterasys RoamAbout 14-dBi YAGI Antenna) http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5713760463&ssPageName=STRK:MEWN:IT and wondered what an expert thinks about it?

    It would be hooked up to the WRT54G and set next to it, basically as a better antenna so wireless clients can connect to it and not a p2p to another WRT54G.

    I might leave it indoor in the middle of the house and might put it outside next to window. How much would the range be boosted either way?

    It says its a directional antenna (not totally sure on what yagi means yet), but I figure it can be used basically as a 14dBi antenna insted of the like 2dBi (or whatever it is) thats included with the WRT54G. Or do I have that wrong?

  2. AbNormal

    AbNormal Network Guru Member

    First, have another look at the link you posted... it's all there!

    A 'directional antenna', is just that. Have a look at photo #2 in your link. A yagi is typically used for a point-to-point link. They are carefully aimed at the 'far end', or direction of communication, and they generally have a view of the outdoors, or in fact are outdoors.

    This is not the type of antenna one would use to get better coverage inside a home, as they focus their energy into a beam in order to increase reception/transmission in one direction only. There is still some energy in other directions due to side-lobes, but you'd need to be very close to this antenna to pick anything up.

    What you need is either a patch (broader beam), or an omni (360 degree) antenna. Have a look at some of these, for example.

    There is also a lot more info on this site regarding antennas, if you wish to poke around.

  3. olanin

    olanin Network Guru Member

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