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Precision Cables for
Modern Engineering

Shenzhen Union Electronics Co., Ltd – a leading global supplier of high-performance USB, HDMI, RS232, TTL, and serial communication cables. Engineered for reliability, certified for safety, trusted by engineers worldwide.

Explore Products Learn About Us

RoHS & CE Certified

All products comply with international safety and environmental standards.

Global Export

Distributed across the US, EU, South America, Middle East, Africa, and Asia.

FTDI & UL Certified

High-quality chipsets and manufacturing ensure stable, long-term performance.

About Shenzhen Union Electronics

Shenzhen Union Electronics Co., Ltd is one of the leading suppliers specializing in researching, designing, and producing a wide range of cables and adapters for industrial, commercial, and consumer applications.

Our product portfolio includes HDMI cables and adapters, DisplayPort, USB, network (Ethernet), VGA, DVI, RS232 serial cables, component A/V cables, and specialized USB-TTL serial programming cables.

With a professional management team, skilled workforce, and modern manufacturing and inspection equipment, we ensure rapid prototyping, consistent quality, and excellent after-sales service.

15+
Years Experience
50+
Countries Served
100%
RoHS Compliant
Factory Workshop Cable Assembly Quality Inspection Product Packaging

Featured Products

Engineered for performance, reliability, and compatibility. Our cables are used in industrial automation, embedded systems, networking, and consumer electronics.

TTL-232R-RPi

TTL-232R-RPi

USB TTL Serial Cable for Raspberry Pi Debugging

  • Interface: USB to TTL Serial
  • Voltage: 3.3V TTL Levels
  • Speed: 300 bps to 3 Mbps
  • Use Case: Raspberry Pi, Embedded Boards
TTL-232R-5V-AJ

TTL-232R-5V-AJ

USB to UART Cable (5V Support)

  • Part No: TTL-232R-5V-AJ
  • Signal Level: +5V UART
  • Connector: 3.5mm Audio Jack
  • Pins: Tip=TX, Ring=RX, Sleeve=GND
TTL-232R-3V3-AJ

TTL-232R-3V3-AJ

USB to UART Cable (3.3V Support)

  • Part No: TTL-232R-3V3-AJ
  • Signal Level: +3.3V UART
  • Connector: 3.5mm Audio Jack
  • Pins: Tip=TX, Ring=RX, Sleeve=GND
FTDI Uniden Scanner Cable

FTDI Uniden Scanner Cable

USB RS232 to Mini USB 4-Pin

  • Chipset: FT232RL + ZT213
  • Length: 1.8 meters
  • Features: TX & RX LEDs
  • Design: Transparent USB Connector

HDMI Series

HDMI Cables & Adapters

High-Speed Digital Video & Audio

  • Type: Standard, High Speed, Mini, Micro
  • Resolution: Up to 4K@60Hz
  • Certified: HDMI 2.0, HDCP Compliant
  • Use: TVs, Monitors, Projectors

Network (Ethernet) Cables

Cat5e, Cat6, Cat6a – Shielded & Unshielded

  • Speed: Up to 10 Gbps
  • Lengths: 0.5m to 30m
  • Shielding: UTP, FTP, STP Options
  • Use: LAN, Data Centers, Offices

VGA & DVI Cables

Analog & Digital Video Interfaces

  • Resolution: Up to 1920x1200
  • Connectors: HD15, DVI-D, DVI-I
  • Shielding: Triple Coaxial
  • Use: Monitors, Projectors, Legacy Systems

USB RS232 & RS485 Cables

Industrial Serial Communication

  • Protocols: RS232, RS485, UART
  • Chipset: FTDI, CH340, CP2102
  • Lengths: 1m to 5m
  • Use: PLCs, Industrial Control, POS
View All Products

Why Choose Union Cables?

Engineered for performance, tested for reliability, trusted by professionals.

Certified Quality

All products are RoHS compliant and certified with UL, CE, and FTDI chip authenticity for guaranteed performance and safety.

Industrial-Grade Materials

Durable shielding, oxygen-free copper conductors, and reinforced connectors ensure long-term reliability in harsh environments.

Global Distribution

Trusted by customers in the US, Europe, South America, Middle East, Africa, and Asia. Fast shipping and responsive support.

High-Speed Performance

Supports data rates up to 3 Mbps for serial cables and 4K@60Hz for HDMI. Optimized for low latency and signal integrity.

Engineer-Tested

Designed with feedback from embedded systems engineers, industrial automation specialists, and electronics hobbyists.

Dedicated Support

Our team provides technical documentation, pinout diagrams, and application support to ensure seamless integration.

15+
Years in Business
500+
Product SKUs
10K+
Units Shipped Monthly
99.8%
Customer Satisfaction

Frequently Asked Questions

Are your USB-TTL cables compatible with Raspberry Pi?

Yes, the TTL-232R-RPi model is specifically designed for Raspberry Pi debugging and supports 3.3V TTL levels required by the Pi’s GPIO serial interface.

Do you offer custom cable lengths or connectors?

Yes, we support OEM/ODM orders. Contact us with your specifications for custom cable assemblies, labeling, and packaging.

Are your products RoHS and REACH compliant?

Yes, all Union Cables products are RoHS compliant and meet international environmental and safety standards.

What is the warranty period for your cables?

We offer a standard 12-month warranty against manufacturing defects. Extended warranties are available for bulk orders.

Do you provide technical documentation?

Yes, datasheets, pinout diagrams, and application notes are available upon request or through our download section.

Get in Touch

For inquiries, bulk orders, technical support, or custom solutions, contact Shenzhen Union Electronics today.

Email: admin@unioncables.com

We respond to all inquiries within 24 hours.

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