British telecommunications regulator Ofcom has revealed that 20 organizations will participate in a major trial of UK white space over the next six months. White space is simply unused spectrum that separates over-the-air TV stations. Due to its low frequency, signals that use white space can travel further than Wi-Fi and other radio signals. Microsoft, Google, and other organizations are planning to test mobile broadband and sensors to monitor cities and traffic using the spectrum. Microsoft, a company that has expressed interest in UK white space previously, will test white spaces in Glasgow to provide free Wi-Fi and link together a network of sensors.
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