A way to let cellular operators share Wi-Fi frequencies without jamming up Internet service is now in the spotlight at the U.S. Federal Communications Commission.

On Tuesday, the agency asked for public comments on LTE-U (LTE-Unlicensed), which Verizon Wireless, T-Mobile USA, SK Telecom and other operators are exploring as a way to get more spectrum for better service. The FCC wants to know how LTE-U might affect Wi-Fi and other services. Comments are due June 11.

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