Mobility SureCall introduces Extended Range Technology in new N-Range cell phone signal booster for autos by Mark Cox • September 18, 2018 SureCall has come a long way since its founder sold his signal boosting devices from the trunk of his car, and with the new technology of their new N-Range offering, they have a new low-cost product for small fleets and the commuter markets. Read more → Share the Buzz:TweetMoreEmailPrintRedditShare on Tumblr