The synchronous NovaStar sending card covers typical type which is to be installed inside computer, video processor or sender box such as MSD300 and MSD600.  The other is called LED display controller (sending unit/sending card box) which is specifically designed to geared with a sender card inside, that can be portable for easy connection with laptop, desktop PC or video processor, and support HDMI input and also has other outstanding functions. Those popular models are MCTRL300, MCTRL610, MCTRL500, MCTRL600, MCTRL660, etc.