Long- Long- LKV312RPO HDMI1.4 dispenser is the latest development and production of digital high-definition dispenser, you can assign an HDMI signal path into two -way synchronization of HDMI signal output, enhance support 4K * 2K resolution support allocation , synchronization signal output using amplification, HDMI signal synchronization output up to 30 meters long distance to achieve HDMI transmission (Development ). more supports cascade significantly improve the number of HDMI output port .