HJ Tech
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HJ Tech
ISO-certified manufacturer since 2004, delivering high-performance RF antennas, connectors, and cable assemblies for global wireless communication needs.
Shenzhen HJ Technology Co. Ltd was founded in 2009 and rebranded as Dongguan HJ Technology Co. Ltd in 2015. For over 13 years, we have specialized in the R&D, manufacturing, and sales of high-quality antennas and RF components.
As an ISO14001:2004 and ISO9001-2008 certified factory, we are committed to excellence in every product we deliver. We are also proud members of the USB and HDMI Association.
Rich expertise in electronic components manufacturing
Compliant with international quality standards
Customized solutions with professional R&D team
Strict QC ensures stable performance
HJ Tech invests in state-of-the-art production equipment sourced from Japan and Taiwan to ensure consistent quality and precision in every component.
High-precision molding for durable antenna housings and connectors.
Accurate stamping for RF shielding and connector bodies.
Efficient and consistent assembly of complex RF components.
Precision stripping for coaxial cables to ensure signal integrity.
Comprehensive testing including ROHS compliance and performance validation.
Streamlined processes for accurate delivery and rapid prototyping.
High-frequency coaxial connector for automotive and RF applications. Waterproof, durable, and compliant with ROHS standards.
Precision RF cable with SMA connectors. Ideal for wireless communication, GPS, and medical devices.
Miniature coaxial antenna for compact devices. Molded with black housing for outdoor use.
Surface-mount SMA jack for PCB integration. Designed for high-frequency stability and low signal loss.
LVDS-type 4-pin connector with Z-shaped blue housing. Ideal for panel mounting in industrial applications.
Outdoor dipole antenna with SMA plug. Waterproof design for stable signal transmission.
High-gain LTE antenna with SMA male connector. Suitable for outdoor 4G applications.
Panel-mount IPEX WiFi antenna with 3dBi gain. Compact and efficient for wireless LAN devices.
Our antennas and connectors deliver stable signals with minimal loss, ensuring reliable performance in critical applications.
Used in radio, TV, radar, remote control, medical devices, automotive systems, and wireless communication networks.
We accept OEM/ODM orders with customized cable lengths, sizes, and configurations to meet your exact specifications.
Support for 2.4G, 5.8G, 3G, 4G, LTE, GSM, UHF/VHF, and other frequency bands for versatile integration.
Scientific production management ensures quick sample turnaround and on-time delivery for your projects.
Request free samples to test our products before placing bulk orders. All products come with a 1-year warranty.
For inquiries, samples, or custom solutions, reach out to our team today.
Tel: 0086-769-83328111
Mobile (Mr Ning): 0086 13714786106
Email: [email protected]
Address: Daxiandi Industrial Area, Quantang, Liaobu Town, Dongguan, Guangdong, China
Working Hours: Mon–Fri, 9:00 AM – 6:00 PM (China Time)
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