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40KHz Long Range Ultrasonic Transmitter And Receiver

40KHz Long Range Ultrasonic Transmitter And Receiver

Specification

Item Transmitter Receiver
Center frequency                                 40±1.0KHz
SPL ≥115dB -------
Sensitivity ------- ≥-65dB
Directivity                                     70°
Capacitance                             2300±25%pF
Housing material                        Aluminum or Plastic
Driving Voltage                                 ≤30Vrms


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