WiMAX coerage and speed

The fastest WiFi connection can transmit up to 54 megabits per second under optimal conditions. WiMAX should be able to handle up to 70 megabits per second. WiMAX will blanket a radius of 30 miles (50 km) with wireless access. WiFi's range is about 100 feet (30 m). » Full Story on computer.howstuffworks.com