High performance digital communication device

The utility model provides a high performance digital communication device, including central processing unit, first communication module and second communication module, first communication module and second communication module are connected with central processing unit respectively, when central processing unit detects first communication module and breaks down, launch second communication module and pair with external device and communicate. The utility model discloses a set up two communication module, one of them when one of them communication module breaks down, launches another reserve communication module as reserve communication module immediately, has guaranteed communication equipment's communication function's stability. Further having set up dedicated power supply for two communication module increase, for communication provides the power, having guaranteed communication module's electric power supply specially, it is not enough the supply voltage can not to appear, leads to communication module