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cantenna.php   6137 Bytes    22-10-2015 10:24:32

Cantenna Calculator


Freq. of operation [MHz]


Can Diameter [mm]


Cut-Off Freq. for TE11 Mode [MHz]


Cut-Off Freq. for TM01 Mode [MHz]


Guide Wavelength [mm] (λg)


λg/4 [mm]


0.75 * λg [mm]


Wavelength λ/4 [mm]



802.11b and 802.11g WiFi operates between 2412 MHz and 2462 MHz. The TE11 cut-off frequency should be lower than 2412 MHz and the TM01 cut-off should be higher than 2462 MHz.

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t1 = 3943 d

t2 = 591 ms

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