... frequency signal without calibration.CC86131’s clock is trace to GPS/LONASS/BEIDOU satellite’s cesium atomic clock. The output ... unavailable, the CC86131 can automatically switch to the backup reference clock. If all of GPS, GLONASS, BEIDOU’s clock is ... SNMP, check that and other agreementsDisplay Indicator: Power, GPS, Compass, GLONASS, rubidium clocks, to maintain, fault LCD display: year, month, day ...