 SAN DIEGO, April 08, 2021 GLOBE NEWSWIRE -- GBT Technologies Inc. OTC PINK: GTCH GBT or the Company, completed its prototype design of its long range radio mobile system. The prototype mobile unit will be a high-performance radio transceiver system that is designed for data and voice applications. It is expected to enable data and voice communication for long range applications targeting telemedicine support for the Companys qTerm vital device including audio. 