中瓷电子：子公司国联万众的GaN射频芯片主要应用于4G、5G、5G-A等基站通讯领域

Group 1 - The core viewpoint of the article highlights that Zhongci Electronics' subsidiary, Guolian Wanzhong, is actively involved in the production of GaN RF chips, which are primarily used in 4G, 5G, and 5G-A base station communication fields [2] - The silicon carbide devices have passed verification and are receiving orders across various application areas, indicating a strong demand and successful market penetration [2]