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Sysolution K21 Asynchronous Cascading Sending Card

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Features of Sysolution K21 Asynchronous Cascading Sending Card:1) Video hardware decoding to make sure smoothly displaying, while M-series and A-series controller supports software decoding2) Support 4096 gray level...

Features of Sysolution K21 Asynchronous Cascading Sending Card:

1) Video hardware decoding to make sure smoothly displaying, while M-series and A-series controller supports software decoding
2) Support 4096 gray level for red, green and blue
3) One card support maximum resolution 640x256pixels,fixed resolution.
4) One sending card supports more than one screen but each screen has the same size, to realize display
same content in the same time
5) Supporting read back HCP4 file from led controller
6) Intelligent connection, that is exchange receiving cards in one screen without setup again, the receiving
cards will display the content after exchanging
7) M-series and A-series controller only support 1, 2, 4, 8, 16 scan types, while K-series support random scan types within 1/16 scan, like 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 scan types
8) Support driver IC with PWM, such as MBI5041
9) One sending card can connect one HUB, can save one piece of receiving card
10) It has same installation holes as synchronous controller card, so it is easy to change controller card.
11) Completely new design, setup controller through software in PC

Parameters of Sysolution K21 Asynchronous Cascading Sending Card:

Maximum pixels


3G modem

3G modem onboard

3G type



Standard hub, one sending card 

connects one hub, receiving card 

connects one hub

Display type

Full color

Onboard Flash


Gray level


LED module type

Support random scan type 

within 1/16 scan

Communication ports

Ethernet/serial port/USB ports


USB sound card optional

Special Driver IC

Support MBI5041

Schedule on time


Video formats


MP4,FLV and so on

Animation formats

Support GIF,SWF and so on

Image formats

Support bmp,jpg,gif,wmf,ico and so on

Text formats

Support txt,rtf

Text type

Single line, static text and multi-line text


Support to editing table

Date and Time

Support Analog clock and Digital clock


Support countdown and Timing


Support temperature, humidity, 

auto-adjust brightness, Infrared 

remote to change programs

Storage port

Support to expanding storage via USB




In stock


Standard hub, one sending card 

connects one hub, receiving card 

connects one hub


Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)..

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item..


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations..

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound..

1)Strong technical background. belongs to EagerLED, a professional LED screen manufacturer in Shenzhen China. EagerLED’s engineers are well experienced in all kinds of LED controller card configuration and operation and producing and using LED screens.

2)No MOQ request on all our products. You can buy even one sample to test our products before placing bulk orders.Many other suppliers have strict MOQ request,which is not convenient for buyers.

3)Quick and safe payment. You can pay by credit card through Paypal, which offers complete buyer protection and avoids having to share any of your financial information.

4))Good quality control. Our technicians inspect all the products earnestly before packaging.

5)Long warranty period. All LED controller products you buy from are under two years warranty. You can send the defective products back to us for repair during the warranty period, and we will repair them and send back to you. The shipping cost is afforded by sender.

6) Good support from our English-speaking engineers. Before and after sales, you can get full support from our engineers, who are proficient in English.
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Sysolution K21 Asynchronous Cascading Sending Card
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