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Functional Description： ※ Using UHF740-840MHz band to avert interferencing frequency. ※ All using quartz crystal oscillating circuits so the frequency is very steady. ※ Special design c..
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Functional Description： ※ Using UHF740-840MHz band to avert interferencing frequency. ※ All using quartz crystal oscillating circuits so the frequency is very steady. ※ Special design c..