A half-dozen years after introducing 4G LTE wireless networking technology, Verizon Wireless announced its roadmap Tuesday for 5G, the blazing fast next-generation tech, with field tests starting in 2016. Verizon starts '5G' field tests in 2016 A half-dozen years after introducing 4G LTE wireless networking technology, Verizon Wireless announced its roadmap Tuesday for 5G, the blazing fast next-generation tech, with field tests starting in 2016.