What is hdmi cable?

What is hdmi cable?

Hdmi cable is also high-definition multimedia interface line, can transmit uncompressed high-definition video and multi-channel audio data, and transmission without digital / analog or analog / digital conversion, is now the mainstream video and audio signal transmission line.

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SUNMON was established on August 25, 2009, and has successively established companies in mainland China and Hong Kong, China.

The products produced by SUNMON are widely used in consumer electronics: laptops, tablets, smartphones, electronic cigarettes, LED lights, etc. Smart wearable products: smart bracelets, watches, TWS Bluetooth headsets, smart clothing and other smart homes, industrial handheld terminals, aerospace, aviation, medical equipment electronics, automotive electronics, industrial electronics, etc.

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Advantages of hdmi cable

Compatibility with a range of devices: HDMI cables are compatible with a wide range of devices, including TVs, monitors, computers, media players, and more. This makes them a versatile and convenient choice for connecting a variety of different devices.

Support for HD and Ultra HD resolutions: HDMI cables support a range of HD and Ultra HD resolutions, including 1080p and 4K. This allows them to support high-resolution audio and video signals, providing a clear and detailed picture on compatible displays.

Advantages of hdmi cable

The difference between the two cores of the hdmi cable

Conventional hdmi cable are basically pure copper core, copper is a good signal transmission carrier, but often can not carry out long-distance transmission, conventional copper core wire is generally used within 5 meters, the longer the distance, the more signal loss, when the need for long-distance transmission, optical fiber cable is a good choice, Optical fiber line can achieve hundreds of meters of signal transmission, and will not be subject to external electromagnetic interference, has a good stability.

The difference between the two cores of the hdmi cable

Hdmi Cable Quality problems

Consumers focus on the experience, when buying a set of equipment, performance is no problem, the result because of wire or interface causes the user experience is not good, this situation is not a few, many people ignore the importance of interface and transmission line to the device, General new equipment used up flash screen, black screen and other phenomena, most of the transmission line and interface problems.

Hdmi Cable Quality problems

hdmi Cable anti-interference ability

When I was watching TV when I was a child, if someone made a call, the screen would appear flickering, snowflakes, etc. This is the electromagnetic interference from the outside world. The anti-interference ability of the hdmi high-definition line is usually composed of layers of various protections. , For example, the high-definition cable produced by Lianlian Electronics will use multiple protections such as three-core outer shielding, aluminum foil Mylar and high-density braided mesh to prevent electromagnetic interference.

hdmi Cable anti-interference ability
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Great product, very durable, a great purchase experience.


Very professional supplier! Always the first to answer questions and give me the best advice. Problems I have encountered in the process. They all helped me solve the problem smoothly.


The product has high precision, good quality, good after-sales service and easy to use.

Frequently Asked Question

Do you have any question?

Yes, as long as the quality of hdmi HD line, support hot plug, however, some poor quality wire will still have a certain probability of problems.

Gold-style hdmi HD line interface for gold-plated interface, such as Sunmon Electronics will have a number of gold-plated interface HD line, its interface has more excellent oxidation resistance, corrosion resistance and other characteristics, and gold-plated interface also increased wear resistance, improve service life.

Yes, HD lines often have downward compatibility as long as they have the same model, but the signal transmitted is capped at the performance of the lower version.

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