HJWAVE to Participate in MWC 2026, Declares Leap Toward an RF Deep-Tech Company

Unveiling Millimeter-Wave Antennas for Autonomous Driving and Communications

Accelerating Global Expansion Based on Proprietary Patents and Mass-Production Validation


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Millimeter-wave RF specialist HJWAVE (CEO Taehwan Yoo) announced that it will participate in MWC 2026 (Mobile World Congress 2026), the world’s largest mobile exhibition to be held in Barcelona, Spain. Through its participation in MWC, the company declared its official entry into global technology competition and overseas markets.


At the exhibition, HJWAVE will unveil its portfolio of millimeter-wave (30–300 GHz) RF products, including a 77GHz 3D waveguide antenna for autonomous driving radar. The product is a solution applicable to autonomous driving radar sensors.


In the high-frequency bands required for autonomous driving radar, technical challenges such as signal loss, inter-channel interference, and performance degradation during multi-channel expansion commonly arise. HJWAVE explained that its key differentiator lies in resolving these issues from the structural design stage.


A company official stated, “The millimeter-wave domain presents a very high technological barrier between theoretical design and real-world mass production.” The official added, “The products showcased at this exhibition are not simple prototype models, but fully commercial product lines developed with mass production in mind.”


The company further noted that it independently carries out the entire process based on proprietary technologies, including millimeter-wave RF design, 3D waveguide design, electromagnetic simulation, beam pattern optimization, and manufacturing process implementation. “Beyond securing proprietary technologies, we have achieved product competitiveness at a level ready for immediate mass production by meeting international reliability standards,” the company said.


HJWAVE plans to sequentially launch millimeter-wave band products applicable to the defense and telecommunications sectors in line with its commercialization roadmap. Currently, the company is focusing its capabilities on the autonomous driving radar sector, aligning with market demand and customer requirements, while diversifying its customer base and product portfolio.


Taehwan Yoo, CEO of HJWAVE, commented, “Our participation in MWC 2026 goes beyond simply exhibiting; it marks the moment we announce to the global market that HJWAVE has leapt forward as an RF deep-tech company.” He added, “We will further strengthen our R&D-driven structure and expand overseas marketing capabilities to accelerate our global expansion, starting with Europe.”

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HJWave, Advancing as a ‘Physical AI’ Technology Company with mmWave RF Technology

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| HJWave's representative interview with Yoo Tae-Hwan HJWave, a company that started as a specialized component manufacturer focused on millimeter-wave (mmWave, 30-300 GHz) RF technology, is now transitioning into a technology firm targeting the ‘Physical AI’ era. The company is focusing on two pillars: core technologies for high-performance cognitive sensors and device manufacturing capabilities. We sat down with CEO Yoo Tae-hwan to discuss the company's vision and strategy. Q: How is HJWave preparing for the Physical AI era, and what role does the 3D waveguide antenna play? In the Physical AI era, HJWave provides 3D waveguide antennas used in high-performance cognitive radar through millimeter-wave RF design. These antennas serve as the ‘eyes’ in the Physical AI environment, playing a crucial role in autonomous driving, robotics, and industrial automation. A 'radar' is a core sensor that functions even in bad weather or at night. Among these, waveguide antennas contri...
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HJWAVE Registers Millimeter-Wave Antenna Patent in the U.S.

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  HJWAVE, a company specializing in millimeter-wave (30–300GHz) RF technology, announced that it has registered a U.S. patent for an antenna technology that can be immediately applied to radar systems for autonomous vehicles operating in the millimeter-wave frequency band. The patent, titled "Antenna Structure with Reduced Angle Error," is a core technology that enhances detection accuracy—an essential component of wideband, wide-angle, multi-layer waveguide antenna systems. In automotive radar systems, a multi-channel transmit and receive structure is commonly used. If the radiation patterns of each antenna channel are not uniform, discrepancies in phase and amplitude of the received signals can occur, making it difficult to accurately determine the position of an object. Additionally, signal coupling (interference) between antennas can create ripple effects or signal nulls in the radiation pattern, weakening signals at specific angles. This degrades object detection accurac...
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HJWAVE's 3D Waveguide Antenna Passes IEC60068-2 International Reliability Test

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 Proves Radar Antenna Technology for Autonomous Vehicles, Accelerates Global Market Expansion HJWAVE, a millimeter-wave (mmWave) RF specialist led by CEO Taehwan Yoo, announced on the 11th that its 3D waveguide antenna for autonomous vehicles has successfully passed the internationally recognized IEC60068-2 reliability test. The test, conducted by an accredited testing institution, confirmed the product’s ability to meet demanding environmental conditions, comparable to those required for automotive safety components. The product underwent rigorous environmental testing, including 1,000 cycles of thermal shock ranging from -40°C to 125°C, as well as high temperature and humidity, high-temperature storage, and temperature-humidity cycling tests. It also received the highest rating (Level 0) in the peel test. These results demonstrate that the antenna meets quality standards equivalent to complete radar systems used in autonomous vehicles, successfully passing the final stage of reli...
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