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Mini Doppler, Detect and Display Fetal Heart Rate Features
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This product is handheld, battery powered audio Doppler designed for home use.
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It is intended to detect and display fetal heart rate.
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The device is intended for use at or after 12 weeks gestation.
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It has two hand-held components, a main unit and a probe.
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The ultrasonic signal is continuously transmitted at a frequency of 3.0 MHz.
