Huidu HD-R512 Full Color Receiving Card Replace old HD-R501 spesification Tube Chip Color: Full Color Model Number: HD-R512 Display Function: VIDEO Pixels: OtherHUB75E Ports: 12 pcsPixels: 256*192 128*384(1/16 1/32 Scan) Work with What Card: HD-C15C C35C A3 A6 HD-A601/602/603/T901 Ports: 12x Hub75EWorking type: Asynchronization