A big chunk of the 3.5GHz spectrum in the US—called Citizens Broadband Radio Service, or CBRS for short—is being opened up for use later this year. Originally used by the US military, the FCC decided in 2015 that the frequencies could be put to better, shared use without obstructing its current applications like Navy radar. And, according to Bloomberg, Google's building the systems that will allow for seamless use of these new frequencies.

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