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DTECH – Trusted manufacturer since 2006. Specializing in HDMI extenders, splitters, industrial converters, and high-speed cables for global AV and IoT applications.
DTECH is a professional manufacturer specialized in HD Audio & Video transmission solutions and industrial IoT network communication. Established in 2006 and headquartered in Guangzhou, China, we bring over 18 years of expertise in connectivity technology.
With a strong focus on innovation, quality, and customer service, DTECH products are trusted by businesses and integrators worldwide. Our R&D team continuously develops cutting-edge solutions to meet evolving AV and industrial communication needs.
Since 2006
Reliable & Durable
Exported Worldwide
OEM/ODM Supported
Explore our high-performance range of HDMI extenders, splitters, cables, industrial converters, and USB peripherals designed for professional audiovisual and industrial IoT applications.
Supports 8K@60Hz, 4K@120Hz, HDR, eARC. Ideal for home theater, gaming, and professional AV setups.
Long-distance HDMI transmission over Cat6/7 cable. Perfect for conference rooms and digital signage.
Distribute one HDMI source to four displays simultaneously. Supports 4K@60Hz HDR.
Convert USB to DB9 RS232 serial interface. Ideal for industrial control and legacy device connectivity.
DTECH DT-T0040 with 100W PD charging, HDMI, USB 3.0, SD/TF, Ethernet. Perfect for laptops and tablets.
Industrial-grade serial to Ethernet gateway for IoT and automation systems.
40Gbps up to 30m. S/FTP shielding for high-noise environments. Ideal for data centers and 10GBASE-T networks.
DTECH DT-7030 supports 4K@60Hz. Connect 4 sources to 4 displays with flexible routing.
We combine innovation, quality, and reliability to deliver professional-grade connectivity solutions trusted worldwide.
Robust design for harsh environments. Wide temperature range and EMI protection.
Tailored solutions including PCB design, housing, and branding for your business needs.
CE, FCC, RoHS certified. Meets international standards for safety and performance.
Dedicated engineering team ready to assist with integration, troubleshooting, and customization.
Years in Business
Countries Served
Product Models
Units Shipped
An HDMI splitter duplicates one HDMI signal to multiple displays simultaneously. An HDMI extender transmits the HDMI signal over longer distances using Cat6/7 or fiber cables, maintaining signal integrity beyond standard cable limits.
Yes, our Ultra High Speed HDMI 2.1 cables support up to 8K@60Hz and 4K@120Hz with full HDR, eARC, VRR, and 48Gbps bandwidth.
Yes, our USB to RS232/RS485 converters are plug-and-play and support Windows, macOS, Linux, and Android with standard drivers.
Yes, we provide full OEM/ODM services including custom PCB design, housing, labeling, and packaging based on your specifications.
Our engineering team is ready to assist with product selection, integration, troubleshooting, and custom solutions.
For inquiries, quotes, or technical support, visit our official website to contact the DTECH team.
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