There is no evidence that 5G radio signals constitute a health hazard, the Federal Communications Commission decided in a unanimous vote upholding the current RF emission standards for cellphones and wireless infrastructure. The agency pointed to Food and Drug Administration research that failed to find a link between phones and health issues.

Wireless service providers will introduce Citizens Broadband Radio Service commercially along the 3.5 GHz band before January 2020, a Federated Wireless executive said, with unlicensed users the first to get regulatory approval. Fixed wireless providers and mobile carriers will likely be the initial commercial users.

Cable companies have begun to "matter" in the wireless industry, having reached 2.5 million mobile service customers, MoffettNathanson's Craig Moffett stated in his third-quarter report on the industry. He pointed to the industry's net addition of roughly 495,000 wireless customers in the period, with Comcast, Altice USA and Charter Communications accounting for 31% of the total subscriber gains.

Sprint will introduce 5G handsets in 2020 that will cost between $300 and $500, with unfamiliar phone makers likely to be among the carrier's vendors, the company's Ryan Sullivan said. "We could see new entrants into the portfolio. We could see new brands," he said, adding that manufacturers that previously served only the prepaid market could break into the postpaid sector.

Leaders should use December to review their successes and see what they can learn from what went wrong, writes John Maxwell. "My calendar is only the starting point for me -- I look beyond just where and how I spent my time, and I call to mind the people and purpose for which that time was spent," he writes.