... : 12dBm ± 1dB Accuracy: ≤ 1E-12 (after 48 hours of power, GPS lock 24-hour average accuracy) Maintain accuracy: ≤ 5E-12 ... C, 24 hours, the average accuracy) Boot features: power 4 hours: ≤ 1E-11 power after 12 hours: ≤ 5E-12 Degree of stability ... check that and other agreementsDisplay Indicator: Power, GPS, Compass, GLONASS, rubidium clocks, to maintain, fault LCD display: year, month, day, hour and ...