The following article is from the official account 5G radio frequency active passive filter antenna, the author is 5GThe antenna of the base station is more eye-catching than the base station itself. The words' antenna 'are not as simple as they appear...

Science and Technology Daily News (Reporter Wu Changfeng): According to China Electronics Technology 38 Institute, at the 68th International Solid State Circuit Conference (ISSCC2021) held on February 17th, the institute released a high-performance 77GHz (gigahertz) millimeter wave chip and module, achieving the first international integration of two 3-transmitter and 4-receiver millimeter wave chips and 10 channel millimeter wave antennas in a single package, with a detection distance of 38.5 meters, Set a new global record for the farthest detection distance of millimeter wave packaged antennas...

Article: Translation of Radio CommentaryThe following picture shows two outdoor active external radio antennas set up by a foreign player. Coincidentally, these two small ring antennas are both made in China...