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2 Best mhz for fetal doppler in Canada
Best Choice01EiscoDoppler Effect Demonstration Apparatus, 92dB Buzzer, 0.8m Tether
Main highlights- The buzzer is 92 dB while standing still, when spun a student can easily hear the shift in frequency
- Nylon cord is 2'8" attached to a rugged ABS handle 8.5in long, 1in diameter)
- Demo comes with a 9V battery installed
- Buzzer housing has a simple on/off switch and is constructed of rugged ABS plastic
9.8Exceptional
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- 02UEYGHEP
UEYGHEP Low Power 24GHz Doppler Microwave Sensor for Automatic Gate Use
Main highlights- Efficient Automatic Door Operation enables seamless automatic door opening and closing, enhancing convenience and security in commercial and residential environments with reliable performance.
- 24GHz Doppler Radar Sensor Technology Equipped with 24GHz long shape automatic sliding gate door sensor, this microwave sensor ensures precise motion detection for automatic swing doors, ideal for high-traffic access control systems.
9.7Exceptional
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