CowView uses a type of RFID (radio frequency identification) called UWB (ultra-wideband) technology.

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We had the chance to see two Ultra-Wideband (UWB) devices in action on the floor of CeBIT today.

ENGADGET: Live from CeBIT: Ultra-Wideband (UWB) is here...almost

That strategy leverages ultra-wideband (UWB) radio technology to estimate location.

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