... receives GPS, GLONASS, BEIDOU, GLONASS synchronous clock signal.CC86131(GPS/LONASS/BEIDOU Rubidium Synchronous Clock Receiver) receives GPS, ... the time and frequency synchronization, and other testing fields.CC86131 is able to intelligently judge system stability, providing a ... data. Then reference clock return to normal status, CC86131 can automatically switch to the reference clock. Features: ...