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this thesis proposed antenna polarization Polymerization circular area for RFID Reader neighborhood UHF antenna incorporates a spread sheet wave and the plane ground using air as the medium, with a height of 7.4 mm total height. (h) 9 millimeter wave propagation is unidirectional, with bandwidth to 50 MHz gain 8.749 dBi and a beam 68 degrees off axis, 0.81 dB at 0 degrees and can be applied to the RFID Reader has.
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