Feature: 1. OCXO MODULE: 10MHz frequency reference source, crystal oscillator constant temperature module, which has stable output and good durability. 2. SMA INTERFACE: The reference source module has SMA female interface, with ultra low phase noise, reliable connection and performance. 3. APPLICABLE DEVICE: Suitable for instrument standard such as audio system, decoder, shortwave radio, frequency meter, signal source, etc., convenient and practical. 4. EASY TO REPLACE: To replace the old, broken or damaged one with this crystal oscillator frequency reference board, to ensure stable operation of the device. 5. HIGH PERFORMANCE: Using excellent PCB component, this OCXO frequency module has high calibration accuracy, good frequency stability and low loss. Specification: Item Type: Frequency Standard Reference Module Current Consumption: Preheating stage <750mA, working stage <300mA Warm Up Time: About 5 minutes Calibration Accuracy: 1Hz Frequency Stability: 5e-12 Output Level: DBm: 10dBm±2dBm at 50Ω; VRMS: 0.7071V at 50Ω; VPeak: 1.0V at 50Ω; VP P: 2.0V at 50Ω Output Impedance: 50Ω Interface Type: SMA Female Product Use: Constant temperature 10MHz, ultra low phase noise, frequency reference module, frequency reference source, OCXO frequency reference source, used for instrument benchmarks such as audio systems, decoders, shortwave radios, frequency meters, signal sources, etc.. Package List: 1 x Module1 x Cable