Time calibration and synchronization device of computer system

The utility model discloses a time calibration and synchronization device of a computer system, which comprises a CDMA (Code Division Multiple Access) module, a control and communication module, an antenna, a standard communication interface cable, timing software and a DC (Direct Current) 5V power supply that is obtained from a computer to be timed or is a self-provided power supply. The time calibration and synchronization device of the computer system is characterized in that the antenna is connected with the CDMA module, the CDMA module is connected with the control and communication module, the control and communication module is connected with the standard communication interface cable, the standard communication interface cable is also connected with a computer standard communication interface to be timed, and the timing software is installed in the computer to be timed. The time calibration and synchronization device of the computer system has a wider application prospect without being influenced by a