Compact folded dipole microstrip antenna for 2.4 GHz WLAN application

A compact folded dipole microstrip antenna for 2.4 GHz application is presented and investigated in this paper. The design is conducted on FR4 substrate with 0.3 mm thickness and dielectric constant εr = 4.5. The measurement result shows that the frequency resonant of the antenna is at 2.46 GHz with return loss −24.10 dB, bandwidth 193 MHz and gain 1.52 dB.