Wireless Estimator Review of Chicago Sprint 5G Rollout By Tony WattwoodJune 19, 2019June 19, 2019News AAT30 appears as alignment tool of choice for Sprints 5G trials in Chicago http://wirelessestimator.com/articles/2019/sprints-5g-service-to-launch-in-may-starting-in-chicago-atlanta-dallas-and-kansas-city/