Intel's venture capital arm is investing US$43 million in a Tokyo-based WiMax operator that plans to launch the world's fastest WiMax service in July.

The investment, from Intel Capital, will help UQ Communications to build-out its network, which is now under test in Tokyo. The service offers download speeds of up to 40Mbps and uploads at up to 10Mbps. It will be formally launched on July 1.

The network currently covers Tokyo and the nearby cities of Kawasaki and Yokohama and will expand to cover additional cities later this year. UQ plans to offer coverage of over 90 percent of the population by 2012.

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