10MHz Frequency Reference Module Frequency Reference Source Low Phase Noise for Sound System Decoder Frequency Meter This frequency reference source adopts premium electronic parts, with accuracy process, which ensures fine durability and long service time. Constant temperature 10MHz, ultra-low phase noise, low noise, portable and reliable. Wide applications, which can be used for instrument benchmarks such as audio systems, decoders, shortwave radios, frequency meters, signal sources, etc.. Features: Adopts premium electronic parts, with accuracy process, which ensures fine durability and long service time. Constant temperature 10MHz, ultra-low phase noise, low noise, portable and reliable. This product adopts 10MHz frequency standard, and which is provided by OCXO oven controlled crystal oscillator. Constant temperature crystal oscillator means that this product  uses a constant temperature bath to keep the temperature of a crystal oscillator or a quartzs crystal oscillator constant, so that the change in the output frequency of the oscillator caused by changes in the surrounding temperature is reduced to a minimum, which makes it has higher accuracy, ±0.01Hz. Equipped with SMA outer screw inner hole interface. Wide applications, which can be used for instrument benchmarks such as audio systems, decoders, shortwave radios, frequency meters, signal sources, etc.. Specifications: Name: Frequency Reference Source Material: printed circuit board Current consumption: preheating stage <750mA, working stage <300mA Warm-up time: ≈ 5 minutes Calibration accuracy: ±0.01Hz Frequency stability: 5e-12 Output level: dBm: 10dBm±2dBm@50Ω VRMS: 0.7071V@50Ω VPeak: 1.0V@50Ω VP-P: 2.0V@50Ω Output impedance: 50Ω Interface type: SMA outer screw inner hole Item size: 67 * 58 * 14mm / 2.64 * 2.28 * 0.55in Item weight: 40g / 1.41ounce Package size: 149 * 98 * 20mm / 5.87 * 3.86 * 0.79in Package weight: 65g / 2.29ounce Packing List: 1 * Frequency Reference Source 1 * Cable