How to choose LED display control card based on control distance

   Distance control LED display control card is one of the indicators of a technical parameters LED display control card is important, what it is to control the distance? How to choose according to the control from the LED display control card? This is a question a lot of friends, under Face to answer this one by one:

LED

What is the control distance of the LED display control card ?

   LED display control card, in which the distance from both ends of the can, cable, U disk, GPRS network connection from the operation terminal LED display (such as computers, mobile phones, etc.) to the distance from the LED display directly from the serial line. The farther the control distance of the LED display control card is, the more difficult the wiring of the LED display is, and the higher the requirements are. Some special items of ordinary LED display control cards simply can not meet the requirements.

How to choose the type of LED display control card ?

Generally, items with close distances, such as a small screen with a distance of about 10 meters, can be controlled by a common serial port and a U disk control card. These items have less distance requirements and it is easier to replace the on-screen program. For example, traffic-induced display, weather warning display, car advertising display and other items can not use the conventional control card, you need to use the LED wireless control card. The LED wireless control card, as its name suggests, is a control card that does not require wiring.

Therefore, generally choose the LED display control card , you need to choose according to the specific requirements of the project. For example, if the display screen and the control terminal are more than 100 meters, it is better to select the LED wireless control card to control, which is simple and convenient.

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