As a complete solution provider for LED display control card, ZDEC company not only develops basic sending card/transmitting card, sending box/sender box and receiving card but also other accessories such as L9 DMX512 Sub controller, A81 environment detector, A81 distributing controller, A81 optical fiber media converter, A81 multi-function card, A82 cabinet detection card, ZQ97059 sub controller, ZQ97059 EMC sub controller, etc.