GCT Semiconductor, Inc. is a fabless semiconductor company that designs, develops, and markets advanced wireless communication chipsets. Headquartered in San Jose, California and founded in 1998, the company focuses on 4G LTE, 5G, and IoT semiconductor solutions used in mobile broadband devices, fixed wireless access equipment, and machine-to-machine connectivity. Its product portfolio includes baseband modems, radio frequency transceivers, and integrated system-on-chip platforms that enable high-speed data, low latency, and power-efficient wireless communication. GCT Semiconductor, Inc. serves original equipment manufacturers and module vendors that supply smartphones, customer premises equipment, industrial devices, and emerging connected applications. The company’s technology is used across telecommunications, consumer electronics, and Internet of Things ecosystems, supporting both terrestrial cellular networks and, through licensing relationships, satellite communication providers. By offering highly integrated, standards-compliant chipsets, GCT Semiconductor, Inc. plays a key role in enabling reliable connectivity for network operators and device makers in global wireless markets.