WiMAX is the new era of communication currently employed in some parts of the world. It is the latest technology approved by IEEE 802.16 group, which is a standard for point-to-multipoint wireless networking. WiMAX vision is to deliver "Last mile" broadband connectivity to home or business locations, also its data rates are comparable with cable and Digital Subscriber Line (DSL) rates. It has the capability which connects to the ISP (Internet Service Provider) even when the user is roaming outside home or office. The WiMAX technology can provide a cost-effective broadband access solution in areas beyond the reach of DSL and cable.