This product is made of high quality materials, the use of low temperature drift crystal oscillator and high precision DAC special chip, the product has good frequency stability;. The product can not only output 7.83Hz Schumannwave, but also adjust the frequency in the range of 0.01Hz-100KHz, digital circuit crystal oscillatorfrequency reference, more stable, stronger anti-interference, using low-temperature drift crystaloscillator and high-precision DAC dedicated chip, can precisely output frequency and pure sine wave.
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