Kangxi Communication Technologies (Shanghai) Co., Ltd., often known as Kxcomtech, is a publicly traded company headquartered in Shanghai, China. Founded in September 2014, the company is listed on the Shanghai Stock Exchange's Science and Technology Innovation Board under stock code 688653, having commenced trading in November 2023. It operates as a subsidiary of Grand Chip Microelectronics Co., Ltd (GCM) and maintains a U.S. subsidiary, Grand Chip Labs, Inc. As of May 2026, Kangxi Communication Technologies employs 158 individuals.
The company specializes in the research, development, design, and sales of radio frequency (RF) front-end chips and modules, leveraging a combination of GaAs and CMOS technologies. Its product portfolio includes Wi-Fi RF front-end modules (FEMs), amplifiers, switches, LNA + SW modules, and diplexers. These products are designed for a range of applications, including WLAN infrastructure (Wi-Fi 5, Wi-Fi 6, Wi-Fi 7), Internet of Things (IoT) devices such as smart home systems and smart meters, 5G NR communication, and V2X (Vehicle-to-Everything) connectivity.
Kangxi Communication Technologies exhibits an active, two-way patent litigation posture, acting as both a plaintiff and a defendant in patent disputes. The company has been a plaintiff in one tracked case and a defendant in two, indicating it both asserts its patent rights and defends against infringement allegations. These cases have appeared before the Patent Trial and Appeal Board (PTAB), the U.S. District Court for the Central District of California, and the International Trade Commission (ITC).
All three of the company's tracked patent litigation cases involve Skyworks Solutions Inc. as a direct counterparty. These include Kangxi Communication Technologies (Shanghai) Co., Ltd. v. Skyworks Solutions Inc. before the PTAB in November 2024, and two defendant appearances in suits initiated by Skyworks Solutions, Inc. in the ITC and the U.S. District Court for the Central District of California in July and May 2024, respectively. Notably, the ITC case lists "Grand Chip Labs Inc. et al." as defendants, referencing Kangxi's U.S. subsidiary.