 SAN DIEGO, Oct. 14, 2021 GLOBE NEWSWIRE -- GBT Technologies Inc. OTC PINK: GTCH GBT or the Company, concluded its Infinia radio system successful testing phases, the testing phases included short and nationwide long distance voice and digital data communications. Infinia internal projects code name testing used the systems base extender and mobile units in wide variety of terrain conditions; additionally, the system was tested with various antenna types and weather conditions. 