Advanced Ceramic X Corporation (ACX) is a leading manufacturer of advanced ceramic-based RF and microwave passive components, founded in 1991 and headquartered in Hsinchu, Taiwan. The company focuses on the design and production of miniaturized, high-performance components for wireless connectivity applications. Its product portfolio includes chip antennas, LTCC (Low-Temperature Co-fired Ceramic) filters, diplexers, baluns, couplers, and ceramic substrates. Key product series such as the ACX chip antenna family and multilayer ceramic bandpass filters are widely used in IoT, automotive, consumer electronics, and industrial sectors. ACX’s components support standards like Wi-Fi, Bluetooth, GPS, and 5G, enabling reliable wireless communication. The company possesses strong in-house R&D capabilities in LTCC and thick-film technologies, allowing rapid customization for clients. As a trusted supplier to global OEMs and module makers, ACX has carved out a niche in the RF passive component market. It directly competes with major Japanese manufacturers through a combination of performance, cost efficiency, and flexible design services. With over three decades of industry experience, Advanced Ceramic X Corporation remains a key player in the evolving wireless infrastructure landscape.