How to realize HDMI signals of 100 meters and 300 meters?

Many friends mentioned how to realize long-distance transmission of HDMI signals. This is ok, let's look at it today. The general HDMI signal transmission is less than 30 meters, then the distance for the general quality wire is about 15 meters to 20 meters. For good quality lines, such as Akihabara's HDMI cable can transmit more than 25 meters, or even 30 meters, if only Simply transmit the HDMI signal to the display device. If the HDMI signal does not pass through other devices, if the total length is less than 30 meters, it is recommended that the longer the distance, the better the wire should be selected.
HDMI extender mode for long distance transmission
First, HDMI network conversion extender
1, HDMI signal does not pass other equipment (transmit 120 meters)
HDMI signals can't be directly transmitted to more than 30 meters with HDMI cable. There are almost no HDMI finished lines in the market for more than 30 meters. However, we can use the network cable to extend the signal.
In this case, if the HDMI signal is simply transmitted to the display device, and the HDMI signal does not pass through other devices, we can use the method of extending the signal by the network cable, and extend the signal with the HDMI cable extender, and the HDMI cable extender is divided into sending signals. Terminal (HDMI input, network cable output) and receiver (network cable input, HDMI output), can extend 100 meters (5 network cable), 120 meters (6 network cable).
2, HDMI signal needs to pass other equipment (transmission 60 meters)
If you need to go through the HDMI image processing device from the source to the display (such as HDMI splitter, HDMI switcher, HDMI matrix, etc.).
In general, it is recommended to place the HDMI image processing device in the middle so that the distance from the signal source to the HDMI image processing device and the distance between the HDMI image processing device and the display screen are as equal as possible, if the HDMI image processing device has a signal gain function. You can freely change the length of the input and output HDMI image processing equipment, which can extend the distance of signal transmission. The device supports input of 30 meters of HDMI cable, supports output of 30 meters of HDMI cable, and can transmit 60 meters in total. The product itself has enhancement. And amplifying the HDMI signal to ensure high-quality image transmission over long distances.
Second, HDMI IP extender
HDMI IP extender with multi-bandwidth cable with ip protocol, can realize ip dialing function, eliminating the use of network cable.
The HDMI IP extender can transmit more than one signal, and a signal can be transmitted through the router or the switch, and the signal of the receiving end RX is simultaneously transmitted.
One-to-one transmission link method
One-to-many transmission link method
Many-to-many transmission
HDMI IP extender is widely used
1. Connect an HDMI switcher to a remote device (such as Blu-ray and media player) to create your own wireless home theater.
2, the ideal choice of conference room, can share the briefing content and video conferencing to four different locations, the single-machine transmission distance of up to 120 meters, grading transmission further.
3, can become part of the digital signage architecture, wireless broadcast advertising or promotional video in showrooms, boutiques or car dealerships.
Third, HDMI fiber extender
In order to solve the problem of image mosaic, color distortion, and inability to transmit when the HDMI signal is transmitted over a long distance, the optical fiber extender is specially designed for network flat panel display and large screen curtain wall display advertising engineering, industrial automation control, medical equipment, security monitoring. , multimedia teaching and other display system engineering high-quality HDMI video signal long-distance transmission needs and professionally designed HDMI signal conversion, drive, receive and restore functions as a single signal transmission system, transmission distance of up to 20 kilometers.


HDMI fiber optic cable solid line long distance transmission
HDMI fiber optic cable (100 meters - 300 meters)
Because of the optical fiber transmission medium, the optical fiber HDMI high-definition line can basically ignore the long-distance signal transmission attenuation, and the transmission distance can reach more than 300m. For HIFI, projectors, and video surveillance systems, the long-distance transmission of traditional copper cables is distorted, directly leading to unavailability or poor experience of the device. The user uses the optical fiber HDMI cable, and the devices are arranged without worrying about the attenuation or distortion of the transmission signal. The system equipment can be arranged according to the actual use requirements of the user.
The advantage of the HDMI cable is that even if it is faced with a long distance of buried wire and wiring connection, it can guarantee the lossless transmission of 4k images and high-assurance audio. When the HDMI high-definition cable exceeds 25 meters, the signal amplifier needs to be added, and the limited length is affected. There is no guarantee that the video and audio signals will be transmitted without loss.

Double End Drilling Machine

The Double End Drilling Machine can be classified into several types based on different characteristics:
1. By Control System
  • Manual Double End Drilling Machine: This type requires the operator to control the drilling process manually. It is suitable for small-scale operations or for tasks that require a high degree of operator control. However, it may be less efficient and less precise than automated machines.
  • Semi-Automatic Double End Drilling Machine: Semi-automatic machines have some automated features but still require some manual intervention. For example, the operator may need to load and unload the workpieces, while the machine automatically performs the drilling operations. This type offers a balance between efficiency and operator control.
  • Fully Automatic Double End Drilling Machine: Fully automatic machines are controlled by a computerized system and can perform all drilling operations without human intervention. They are highly efficient and precise, making them suitable for large-scale production. However, they are also more expensive and require more technical expertise to operate and maintain.
2. By Drilling Capacity
  • Small Capacity Double End Drilling Machine: These machines are designed for drilling small holes or for light-duty applications. They typically have a limited drilling depth and diameter range. Small capacity machines are often more affordable and easier to operate, but they may not be suitable for heavy-duty tasks.
  • Medium Capacity Double End Drilling Machine: Medium capacity machines offer a wider range of drilling capabilities than small capacity machines. They can handle larger holes and deeper drilling depths, making them suitable for a variety of applications. Medium capacity machines are a good choice for medium-sized workshops or for tasks that require a moderate level of drilling power.
  • Large Capacity Double End Drilling Machine: Large capacity machines are designed for heavy-duty drilling tasks. They can handle very large holes and deep drilling depths, and they often have powerful motors and sturdy construction. Large capacity machines are typically used in industrial settings or for large-scale projects.
3. By Application
  • Woodworking Double End Drilling Machine: These machines are specifically designed for drilling holes in wood. They may have features such as adjustable drilling speeds and depths to accommodate different types of wood and drilling tasks. Woodworking double end drilling machines are commonly used in furniture manufacturing, cabinet making, and other woodworking industries.
  • Metalworking Double End Drilling Machine: Metalworking double end drilling machines are designed for drilling holes in metal. They often have more powerful motors and stronger construction than woodworking machines to handle the tougher materials. Metalworking double end drilling machines may also have features such as coolant systems to prevent overheating and prolong tool life.
  • Other Applications: Double end drilling machines can also be used in other industries such as plastics processing, composites manufacturing, and electronics. These machines may be customized to meet the specific needs of different applications.
In conclusion, the Double End Drilling Machine can be classified into different types based on control system, drilling capacity, and application. The choice of machine depends on the specific needs and requirements of the user, such as the type of material to be drilled, the drilling depth and diameter required, and the production volume.

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