Zdec sending card includes V5 (out of production), 6V (M62TCA01,M62RCA01) and V8 (M81GCA01) series. They are all designed to work for full color LED display screen with special requirements on high refresh rate. Their relevant control software is called LED manager in versions of V5/V6.1/V6.2/2010/210 V9.1.22 Beta15/2012 v9.1. Now the current sending cards in hot sales from ZDEC company are ZQ-V8-TS01,  M81 full color sending card/transmitting card and M81 full color transmitting card external box both with or without audio input supported.