ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,928, issued on June 10, was assigned to South China University of Technology (Guangzhou, China).

"Multi-frequency base station antenna unit and communication device" was invented by Wenquan Che (Guangzhou, China), Yongzheng Li (Guangzhou, China), Wanchen Yang (Guangzhou, China) and Quan Xue (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present invention are a multi-frequency base station antenna unit and a communication device, which belong to the technical field of antennas. The multi-frequency base station antenna unit comprises a first radiator and a second radiator, wherein the first radiator comprises a first...