SAN DIEGO, Oct. 27, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCHD) ("GBT” or the “Company”), filed with the U.S. Patent and Trademark Office (“USPTO”) a provisional patent, USPTO ...
SAN DIEGO, March 15, 2022 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCH) ("GBT” or the “Company”), filed a non-provisional patent, application #17686461, for its long range, intelligent ...
To improve long-range radio frequency communications, researchers at the U.S. Naval Research Laboratory are working on a method of combining signals at the receiver level after multiple relays and a ...