... frequency signal without calibration.CC86131’s clock is trace to GPS/LONASS/BEIDOU satellite’s cesium atomic clock. ... synchronization, and other testing fields.CC86131 is able to intelligently judge system stability, providing a variety of ... RJ45, supports SNMP, check that and other agreementsDisplay Indicator: Power, GPS, Compass, GLONASS, rubidium clocks, to maintain, fault LCD display: year, ...