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Monopole Antenna for Bluetooth and Ultra Wideband Applications with Notched WiMAX Band on Teflon

Arathy S., Upama Rajan M.N., Jobin Kurian, Vijai Reghunath

A dual band circular monopole antenna for Bluetooth and Ultra wideband applications with WiMAX notched band is presented. The antenna shows return loss characteristics less than -10dB for Bluetooth (2.40-2.47 GHz) and Ultra wideband (2.73-11.5 GHz) except at notched band. High VSWR is obtained at 2.6 GHz and WiMAX band (centre frequency 3.5 GHz) .The radiation patterns show omni directional characteristics at lower frequencies with good polarisation isolation.