Aim: The main objective of the project is to improve the VSWR of a reconfigurable antenna at 3.4 GHz by using FR4 substrate with Double Varactor diodes. Materials and Methods: Two diode configurations of single Varactor diode and Four diodes configuration of double Varactor diodes are used with a sample size of 6. Results: From HFSS simulation software Return Loss(-28.73dB) and VSWR(1.07) of Reconfigurable Monopole antenna is improved by FR4 substrate using Double Varactor diodes. Based on statistical analysis,it is observed that the significance value is 0.0835 for Return loss and 0.0756 for VSWR (p>0.05). C

Varactor diode, WLAN, WIFI, Return Loss, VSWR, FR4 substrate, Novel Reconfigurable Monopole antenna, Antenna Design