| Imagine a world where wireless Internet was | | | | expensive service plans. Of course, DSL and |
| literally everywhere. You could work - and play - | | | | Cable can't offer the ability to use wireless |
| anywhere you wanted. You could open up your | | | | Internet anywhere in your city. The hardware |
| laptop and answer a few urgent emails while | | | | required to make use of 4G WiMAX is also often |
| having your car's oil changed.You could even go to | | | | less expensive. Laptops which are already WiMAX |
| the park and watch an episode of your favorite | | | | enabled will not require additional hardware, and all |
| TV show while also enjoying a nice spring day. | | | | other computers can use a WiMAX USB adapter |
| In the past these scenarios were pure fantasy. | | | | to access the Internet. Purchasing this adapter is |
| While there are many businesses which offer | | | | usually less expensive than purchasing the modem |
| WiFi, there are also many businesses which do | | | | and router which would be required to enable |
| not. Even when downtown in a city like San | | | | wireless Internet in your home. |
| Francisco or Miami you'll have difficulty finding a | | | | Note that some residential implementations in rural |
| WiFi signal which is usable. And even if you do find | | | | areas are an exception to this, as the long |
| a usable signal you have to worry about security. | | | | distances involved require that a large direction |
| Logging into your online bank account over public | | | | dish be mounted outside the home. |
| WiFi is a great way to have your identity stolen. | | | | WiMAX Coverage |
| However, there is now a way to make these | | | | WiMAX is an exciting new technology. This means |
| fantasies a reality. A new technology known as | | | | that availability is still rather limited, but there are |
| 4G WiMAX promises to bring WiFi to entire cities, | | | | many cities which have WiMAX coverage available. |
| letting you access wireless Internet from | | | | The largest provider of WiMAX coverage in the |
| anywhere. | | | | United States is Clear, a company which focuses |
| What is 4G WiMAX? | | | | exclusively on WiMAX Internet. Clear originally |
| Traditional WiFi does the job it was meant to do. | | | | launched in Portland, Oregon and has been |
| That job, however, only extends to a radius of a | | | | gradually introducing the service to new markets. |
| few hundred feet in perfect conditions. It is a | | | | Cities now covered by Clear include Seattle, Las |
| standard of wireless connectivity built with the | | | | Vegas, Houston, Dallas, Atlanta, Chicago, |
| intention of providing Internet access to a small | | | | Philadelphia and many others. Clear is constantly |
| area, not to an entire city. While some smaller | | | | launching new 4G WiMAX service areas and |
| cities have successfully implemented wireless | | | | hopes to offer service to every major city in the |
| Internet access using chains of WiFi routers and | | | | country within the next few years. Clear offers |
| range extenders, larger cities need a different | | | | 4G WiMAX service for as little as $40 per month. |
| technology. | | | | While Clear is the largest player in the United |
| That is where WiMAX comes in. WiMAX is an | | | | States market, it is far from alone. Regional |
| acronym for Worldwide Interoperability for | | | | WiMAX Internet services are provided by |
| Microwave Access. It is a standard which allows all | | | | numerous organizations. For example, AT&T |
| WiMAX enabled devices to speak with each other. | | | | Alaska offers a WiMAX network which covers |
| WiMAX is fundamentally different from WiFi | | | | Anchorage and Juneau, and the University of |
| because it is designed to transmit signals across | | | | Northern Michigan has set up a WiMAX network |
| distances measured in kilometers rather than | | | | which covers Marquette, Michigan. These are just |
| meters. Information is sent to and received from | | | | two examples. There are numerous WiMAX |
| large transmitting devices which are operated by | | | | services across the country and new ones are |
| a WiMAX service provider instead of routers | | | | arriving monthly. |
| which are owned by individuals or businesses. | | | | It isn't just cities which are receiving WiMAX. The |
| The term 4G, which is often applied to WiMAX | | | | largest planned implementations of WiMAX |
| solutions, stands for fourth generation. It is not a | | | | networks usually involve rural areas. For example, |
| technical term in that it does not stand for a | | | | Kansas Broadband has already set up a WiMAX |
| specific technology. Instead, it is used to inform | | | | network for Saline Country and currently has |
| consumers of a substantial improvement in speed | | | | plans to set up a rural WiMAX network which will |
| over previous technology. | | | | cover 18 counties - 12,000 square miles in total. |
| 4G WiMAX Compared to DSL and Cable | | | | The Future of WiMAX |
| Current 4G WiMAX implementations are capable | | | | While WiMAX is still in its infancy it is a technology |
| of average download speeds of 3 to 6 Mbps and | | | | which will undoubtedly become popular. The ability |
| upload speeds of up to 1Mbps. Peak download | | | | to purchase an Internet plan and use it from |
| speeds may be as high as 10 Mbps depending on | | | | anywhere in your city, rather than being |
| the service being used. | | | | restricted to your home, is a major benefit which |
| This is competitive with more traditional | | | | will surely attractive many customers to these |
| broadband services, such as DSL and Cable. Basic | | | | services. |
| DSL plans usually start at a speed of 1.5 Mbps | | | | WiMAX will also bring broadband Internet to |
| through companies such as Qwest and Earthlink, | | | | people who previously had few or no broadband |
| while cable Internet providers such as Comcast | | | | options. In rural areas the infrastructure costs of |
| offer cable broadband with speeds starting at 1 to | | | | traditional broadband service can be very high, but |
| 3 Mbps, depending on your location. | | | | WiMAX can cover large distances with little |
| Current WiMAX technology can't match the | | | | infrastructure. This is a win-win technology which |
| highest possible DSL and Cable speeds, which | | | | benefits everyone involved. |
| usually peak at around 20Mbps on the most | | | | |