GCT Semiconductor Holding, Inc. is a fabless designer and supplier of advanced long-term evolution (LTE), the Internet of things (IoT) and fifth generation (5G) semiconductor solutions. The Company’s LTE solutions enable reliable LTE connectivity to numerous commercial devices such as smartphones, tablets, hotspots, USB dongles, routers, M2M applications, and others for the LTE carriers. Its system-on-chip solutions integrate radio frequency, baseband modem, and digital signal processing functions, therefore offering 5Gand 4G platform solutions. Its product portfolio includes radio frequency (RF) and modem chipsets based on 4G LTE technology, offering a variety of chipsets differentiated by speed and functionality. These include 4GLTE, 4.5G LTE Advanced (twice the speed of LTE) and 4.75G LTE Advanced-Pro (four times the speed of LTE) chipsets. The Company also develops and sells cellular IoT chipsets for low-speed mobile networks such as eMTC/NB-IOT/Sigfox, and other network protocols.