"Wayne" wrote in message ...



"Sal M. O'Nella" wrote in message ...



"rickman" wrote in message ...



What I really need in an antenna, is something I can add to the ubiquiti
nanostation m900 loco I am using for Internet access. The internal
antenna is only 7.5 dBi. I see a Yagi which is 13 dBi but it seems to
be out of date. The current model is very fancy and is over $200. The
other one is only $33.

How about this one for $30

http://www.amazon.com/Yagi-WiFi-Ante...ilpage_o01_s00

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It looks like the one I bought that would not perform well for me at 2.4
GHz. I measured my directors, which should be close to (but slightly
shorter than) a half wavelength.

They measure 5 cm tip-to-tip but are NOT insulated from the boom, so add
another cm or so, making them effectively 6 cm long or half of a 12 cm
wavelength.

By the formula 300/wavelength in meters, 300/0.12 = 2500 MHz. It ought to
work -- so my problem is evidently somewhere else.

Sorry but I'm no help.

"Sal"