Specification:Item Type: GPS Disciplined OscillatorMaterial: Aluminum AlloyPower Supply Voltage: DC12V 2VWorking Current: 650mA During Preheating, 350mA When Stabilized Output Frequency: 10.0000000.000MHz 0.001HzOutput Waveform: Square WavingOutput Amplitude: -45dBmThermostatic Crystal: ISOTEMP OCXO 143-141 (Disassembled)GPS Module: NEO 6MHow to Use:When turned on, the screen displays 10.00MHz GPSDO, and if a GPS antenna is not installed, this content will continue to be displayed. After installing the GPS antenna and locking the satellite, the screen will display the PPb correction value and the current PWM adjustment value after comparing the 1PPS signal.packing list:1 x GPS Disciplined Oscillator1 x Antenna