GCT Semiconductor Holding, Inc.

GCT Semiconductor designs chips that let devices communicate wirelessly, particularly for 5G and 4G networks. The company makes modems and transceivers (parts that send and receive wireless signals) used in portable routers, smartphones, industrial equipment, and internet-connected devices. They sell these chips to equipment manufacturers and wireless carriers around the world. GCT works with other companies to develop wireless gateway products for homes and businesses.