VGA3+9 Cable

Digital TV-CBLE, satellite, and terrestrial broadcasts.
Digital movies-DVDs.
Digital displays-Plasma,LCD, DLP, LCOS.
4.Digital interactivity-PVRs, MHP, OCAP.
D-VHS players.
Supports resolutions at800x600 (SVGA),1024x768 (XGA),1600x1200
(UXGA), 1080p (Full HD), 1920x1200 (WUXGA), and up for high resolution LCD and LED monitors.
Packing:PE bag; Custom: OEM ODM; Supply Ability:100000 Piece/Pieces per Month.

HD7001A VGA3+9 Cable is a high-performance analog signal cable specially designed for professional users who pursue excellent video transmission quality. Whether you are an OEM buyer seeking reliable component integration, an offline brand agent expanding high-quality audio-visual product lines, or an engineering wiring project requiring stable and long-lasting video connections, this VGA cable can meet your strict requirements, ensuring the clear, stable and efficient transmission of video signals.

HD7001A is a high-performance analog video transmission cable designed with VGA15 pin male-to-male (VGA15P M TO M) interface. Its core structure adopts a 3+9 core design. That is, 3 coaxial signal lines are used to transmit RGB analog video signals and line-field synchronization signals, and 9 signal lines are used to transmit DDC (Display Data Channel) data signals and provide additional grounding and shielding, thereby achieving more stable and stronger anti-interference signal transmission.

Meanwhile, the HD7001A adopts a single-color one-piece injection molding process, which not only endows the cable joints with a sturdy and durable appearance, but also effectively protects the internal solder joints, enhances the overall structural strength, and ADAPTS to frequent plugging and unplugging as well as long-term use in various complex environments. Nickel-plated connectors ensure excellent electrical conductivity and oxidation resistance, effectively reducing contact resistance and guaranteeing low signal transmission loss. The conductor is made of high-purity oxygen-free copper and is combined with a high-density polyethylene insulation layer, providing an excellent electrical performance foundation for signal transmission. The multiple shielding design minimizes electromagnetic interference (EMI) and radio frequency interference (RFI) to the greatest extent, ensuring the purity of the video signal.

The HD7001A offers two wire gauge options: AWG26/28/30, and two outer diameter specifications: 7.3mm and 8.0mm. The length can be flexibly customized from 1 meter to 50 meters (3-163FT) according to actual needs. The outer layer of the cable is made of PVC material, with a standard color of Black (Black), and other color options can be provided according to OEM requirements.

1. 3+9 core structure: 3 coaxial signal cables (RGB+ synchronous) +9 unshielded signal cables (or thin wires), compared with VGA3+63 coaxial signal cables (RGB+ synchronous) +6 unshielded signal cables (or thin wires)

2. 3+9 DDC signal support: Fully supports DDC1/DDC2B standards. Among the 9 wires, there are complete SDA (data), SCL (clock) signal lines, as well as sufficient ground wires and spare wires, ensuring smooth communication between the display and the host, and achieving display information recognition, plug and play (PnP), and automatic setting of the best resolution. Compare the 3+6 part support or simplify the support for DDC signals. The six wires may only contain the most basic SDA and SCL, or use fewer grounding wires. In some simplified designs, some DDC wire cores may be omitted or combined with other ground wires. This may result in the display not being correctly recognized by the host or the EDID information not being read, thereby affecting the display effect and user experience.

3. 3+9 shielding and Anti-interference: Generally, the design is more complete. The 9 wires provide more grounding and shielding reference points. Combined with a good overall shielding, the anti-interference ability is stronger, and the signal transmission is more stable. Especially in medium and long distances and complex electromagnetic environments, the advantages are obvious. Compared with the 3+6 shielding design, it may be relatively simplified. The six wires provide less grounding and shielding assistance, and the overall anti-interference ability is usually weaker than that of the 3+9 structure. In complex environments or long-distance transmission, the signal stability may decline.

4. 3+9 transmission distance and stability: Due to the more complete core wire and better shielding, under the same wire gauge, it usually supports a longer transmission distance, and the signal quality is more stable, the image is clearer, and it is less likely to have interference phenomena such as water ripples and snowflakes. Compared with 3+6, the transmission distance is relatively limited. When it is too long or there is significant environmental interference, signal attenuation, distortion or interference is more likely to occur.

5. 3+9 Cost and Application Scenarios: The cost is relatively high. It is mainly targeted at professional applications, engineering wiring, scenarios with high requirements for signal quality and stability, as well as equipment connections that need complete DDC functions. Compared with 3+6, it has a relatively lower cost and is mainly used for short-distance temporary connections or economical devices with low requirements for display quality, such as some early projectors and low-end monitors. For modern devices that require complete DDC communication to achieve the best display effect, 3+6 cables may not be sufficient.

1. Question: In which devices and scenarios is the HD7001A VGA3+9 Cable mainly applicable?

Answer: The HD7001A is widely applicable to devices that require a VGA interface for analog video signal transmission, such as

The computer host (PC) is connected to the Monitor and the Projector.

Engineering cabling: Fixed installation in meeting rooms, classrooms, lecture halls, monitoring centers, exhibition halls and other places.

2. Q: Why was the VGA3+9 structure chosen instead of the more common 3+6 or 3+4?

Answer: The choice of the VGA3+9 structure is mainly to pursue more stable signal transmission and complete functional support. The additional wire cores make DDC communication more reliable, allowing the display to be accurately identified by the host and automatically configured with the optimal resolution. Meanwhile, the more diverse core and grounding designs have also enhanced the overall anti-interference capability of the cable. Especially in medium and long-distance transmission (such as over 5 meters) and engineering sites with complex electromagnetic environments, the 3+9 structure can provide significantly better signal quality and stability than the simplified structure, reducing the risks of picture flickering, distortion or inability to recognize equipment.

3. Q: There are various options for the length of the cable. How should I determine the length that suits me best?

Answer: When choosing the appropriate cable length, the following points should be considered

Actual physical distance: Measure the straight-line distance that needs to be connected between the measuring devices, and reserve a certain margin (such as 10-30%) for wiring, bending and organizing.

Signal attenuation: As an analog signal, the longer the transmission distance of VGA, the greater the signal attenuation. Although the HD7001A uses high-purity oxygen-free copper and has good shielding, which can effectively reduce attenuation, it is still recommended for short-distance (1-3 meters) daily connections. Medium distance (3 to 15 meters) is generally applied. For long distances (15-50 meters), it is recommended to consult our technicians before purchasing to confirm the resolution and signal quality requirements.

Avoid excessive redundancy: Overly long cables not only increase costs but may also introduce unnecessary signal loss and interference, while appearing messy.

We offer customized services ranging from 1 meter to 50 meters. You can precisely choose according to the specific project requirements.