A Dual-band Slotted Antenna with a strip of Inverted L-shape for S-Band and WLAN Application

A slotted antenna of dual-band in nature having a planar structure has been proposed in this manuscript in which feeding is accomplished by microstrip transmission line having a L-shaped strip of inverted in nature is embedded in rectangular slotted portion in the grounded plane of the antenna. The proposed antenna produces resonances at the two frequencies-centrals of 3.48 GHz and 5.20 GHz with the bandwidths of percentage of 7.76 and 19.58 respectively which is appropriate for usage in S-band and WLAN. The gains of simulation at the two central frequency of resonance are 2.71 dBi and 2.87 dBi respectively. The antenna exhibits stable patterns of radiation at 3.48 GHz and 5.20 GHz.