GCT Semiconductor is a fabless semiconductor company that designs and sells communication chipsets—including RF transceivers and modems—for wireless networks serving industrial, enterprise, and consumer markets such as fixed wireless access, CPE devices, MiFi routers, M2M applications, and smartphones. The company generates revenue through chipset sales to wireless operators, ODMs, and OEMs, offering integrated single-chip solutions across 4G/LTE, 5G (sub-6GHz and mmWave), and IoT applications, with proprietary multi-antenna technology that provides differentiation in coverage and network efficiency. GCT competes against larger incumbents like Qualcomm and MediaTek by leveraging proven commercialization expertise, longstanding operator relationships, integrated SoC architecture that avoids licensing complexity, and lower transition costs for existing customers moving to next-generation networks.