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Lumen C-Power21B-U High Pixel WiFi USB LED Control Card

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  • Model: CLS-C-Power21B-U(
  • Shipping Weight: 1KG
  • 360 Units in Stock
  • Manufactured by: Lumen

Lumen C-Power21B-U High Pixel WiFi USB LED Control Card

Lumen C-Power21B-U High Pixel WiFi USB LED Control Card has 2048*64 pixels, which is more powerful function with lower price. It has has higher cost-performance and is more competitive in the market.

Product Description:

    C-Power 2series 7 color card is the newly released newest 7 color large size controller of Shenzhen Lumen Electronics Co.,ltd.
    C-Power 2series 7 color card is more powerful with lower price, which make them much higher cost-performance and more competitive in the market.
    C-Power 2series 7 color card  support smart setting, easily to set all kinds of LED display.
    C-Power 2series 7 color card and C-Power full series products the same, with the same external protocol and secondary development interface.
    C-Power 2series card different versions: C-Power20B(TCP/IP and USB version); C-Power20B-E(USB version); C-Power21B(WIFI version); C-Power21B-U(WIFI and USB version); C-Power22B(GPRS version)

Control pixels
 (full , mono/RG color)
2048*64 pixels,full color, 7 color (mono/dual color)
Total size: 8MByte(64Mbit)
Program size: 3.2MByte


All programs are transmitted by compression package, and then decompressed on control card. 
Supports video program 
Supports animation(swf,gif) , picture, text, clock, temperature, etc. 
Text program edit in any language, any font and any size, free adjust
Transparent text and clock program can be edit to cover photo or video
More than 60 effects for text and picture, such as: snow fall, mosaic, slide zebra, fan open and etc.,
With multi-program mode. Stores up to 512 programs to the Led screen. 
With hierarchical management of programs in menu type so as to keep clear structure and convenient maintenance. 
Supports programs played at the appointed period (for example: week, hour, minute )

Separate window mode

Supports the segmentation of up to ten playing windows for each program. 
Supports playing the content in different formats for each playing window.

Affiliated features

With real-time clock (RTC) management and setting, support digital and analogue clock. 
Supports environmental data programs like temperature, etc. 
Supports sensors installed externally (32-grade brightness)

Font library

128MB font library space
The card can be stored different font library and can be changed free, such as English, Chinese (simplified or traditional), Japanese, Korean and etc.,


Up to 8 different font libraries can be stored and displayed at the same time
We supply font library edit tools and update tools

Support Hong Kong supplementary character fonts, Hindi

Standard software

LedCenter V5.30 or above

Standard communication mode

TCP/IP and USB version:TCP/IP network  interface、U disk interface
USB version:U disk interface
WIFI version:integrate WIFI module
WIFI and USB version:integrate WIFI module、U disk interface
GPRS version:integrate GPRS module(Dual-band or Quad-band)
All version of the standard RS232/RS485 : maximum baud rate: 115200
InDa remote & keyboard

Program list edit and display control by infrared controller or keyboard

External communication components

Supports various wireless communication modes: ZigBee, RF...


Provides customized development interface andits manual. 
Provides demonstration program and source codeforcustomized development 
Besides, provides “Wireless information issue”version.


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