International Journal of Computer Science and Information Technology & Security (IJCSITS)
The microstrip patch antennas have many advantages such as small size, low-cost fabrication, low profile, light weight, conformability, ease of installation and integration with feed networks but it has one serious limitations i.e. these antennas have very narrow bandwidth characteristics as it limits the frequency ranges over which the antenna can perform satisfactorily. A microstrip patch antenna for WLAN, Wi-Max and GSM application is proposed. The antenna has a frequency bandwidth of 400MHz (2.3768GHz-2.8225GHz) for WLAN and 700MHz (4.7913GHz-5.503GHz) for WiMAX application.