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Legal all over the world
Alereon has released a wireless USB chip which it claims uses a frequency band that is legal all over the world.
The few wireless USB products on the market send and receive signals over a frequency that isn't legal in most of the world because of
potential interference with radar.
The chip uses ultra-wideband, or UWB, which runs on frequencies far above those usually employed for Wi-Fi, Bluetooth, cellular phones and
other wireless technologies.
The downside of of the technology is that it can only go about 20 metres but it can reach speeds of up to 480 megabits per second, equivalent to
USB 2.0 cables, at distances up to three meters.
More here.
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