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Worldwide Interoperability for Microwave Access (WiMAX) is the industry standard in charge menginterkoneksikan various technical standards that are global as one. WiMAX and WiFi are distinguished on the basis of technical standards to join in it. WiFi
IEEE 802.11 standard combine with ETSI HiperLAN, which is appropriate technical standards for WLAN, and WiMAX is a merger between the IEEE 802.16 standard by ETSI HiperMAN. IEEE output standard used widely in Europe and surrounding areas. To be able to make this technology is used globally, it is created WiMAX. Both these standards are held together with a technical standard specification very ocok to provide broadband connection through the media type wireless or broadband wireless access (BWA). In the future, all things related to BWA technology is likely to be WiMAX certification. WiMAX standards established by industry combinations wireless devices and computer chips all over the world. These big companies to join in a working forum to formulate a standard interconnection between BWA technologies in their products. WiMAX can deliver the data 7 times faster than Wi-Fi. WiMAX technology was claimed to have extraordinary abilities and more sophisticated than a wireless network system that is now. Technology that can unify a number of hotspot areas in a single area. In fact, Bill Gates, founder of Microsoft is optimistic that WiMAX is a dark horse who could speak a lot within the next three years.

Indeed, many business people believe WiMAX technology will be global. Whereas the development of Wi-Fi only takes 10 years. This technology is actually a further development of the concept of Wi-Fi. This technology already makes it easy for many people, but has a limited capacity constraints and scope. While many large companies in the world need access to a wireless network that has large data capacity, low cost and can be accessed from any place. Wi-Fi technology has a limited range, the most far approximately 100 meters. Compare with WiMAX has a range radius of approximately 7 to 10 km. No one projected as if the WiMAX wireless networking technology for urban areas. WiMAX wherever we go in the city, internet access can be done at no cost is too expensive. To find the information did not need to go to the office or internet cafes, just sitting in the car while waiting for traffic jams, then open the notebook. As for Wi-Fi was so out of the hotspot, a direct data connection died.

WiMAX has the ability to deliver data speeds up to 75 megabits per second (Mbps), while the Wi-Fi is only 11 Mbps. Another advantage is playing at WiMAX frequencies low enough and wide, ie from 2 to 6 gigahertz (GHz). While Wi-Fi set in the protocol at 2.4 GHz 802.11b and 802.11a protocols at 5 GHz. It is not surprising that the presence of WiMAX directly received from various mobile phone companies of the world. When development takes annual WiFi, WiMAX to be so popular it took 18 months. WiMAX 802.16 protocol code has been supported by Nokia, Siemens and Alcatel. In recent years the rising popularity of WiMAX, the latest data from www.wimaxforum.org site recorded no fewer than 100 companies in the world who joined the WiMAX Forum include communications company British Telecom and Broadband UK (United Kingdom), Iberbanda (Spain), PCCW (China ) and Reliance Inforcomm (India).

WiMAX technology can be a big leap for the world's communications companies, particularly for countries that are developing in Asia. Country that still rely on cable networks. With this technology leap to broadband networks or broadband could be expedited. The reason this makes communications company China and India were interested in joining. To get WiMAX services, requires a special antenna that can be operated by 60 companies with a connection each approximately 1 Mbps.

There are several advantages to the WiMAX, if dibandiungkan with WiFi are as follows:
1. Mikrolektronik producers will get a new land to be done, by making chips more general that can be used by many wireless device manufacturers to make his BWA. The wireless device manufacturers do not need to develop a solution end-to-end for users, because it is a clear standard.
2. Telecommunications operators can save investment tool because WIMAX ability to serve customers with a wider area and with higher compatibility.
3. End users will have little choice in the surf. WiMAX is one technology that can help us to connect to the Internet easily and quality.
4. Has many features that had not been there in WiFi technology with IEEE 802.11 standards. IEEE 802.16 standards combined with the ETSI HiperMAN, it can serve the market more widely.
5. In terms of its coverage to reach just 50 miles up, WiMAX has given a very large contribution to the existence of wirelass MAN. The ability to deliver data with a high transfer rate over long distances and will close all broadband gap can not be reached by cable technologies and digital subscriber line (DSL).
6. Can serve the subscriber, whether they be in a position line of sight (LOS) and that allows for no line of sight (NLOS).