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Old 10-26-2010, 10:10 PM
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Default RE: Antenna Length on 2.4GHz

A full wavelength of 2.4GHZ is 12.5 cm.
A 1/2 wavelength is 6.25 cm
77 mm is two long for a 1/2 wave antenna. I believe what you have is two 1/4 wave antennas. One sticking out each side.