ITEM NAME:Waterproof Diameter 16MM 40KHz Ultrasonic Sensors Integrated Transceive BNAUF 3C 1. The nominal frequency (KHz): 40 KHz 2. The emission sound pressure at10V (0dB = 0.02mPa): ≠¥110dB 3. Receive sensitivity at40KHz (0dB = V / ubar): ≠¥-75dB 4. An electrostatic capacitance at1KHz, <1v pf="" :="" 1800="" 30="" div=""> Package Included:.An electrostatic capacitance at1KHz, <1v pf="" :="" 1800="" 30="" div="">. Receive sensitivity at40KHz (0dB = V / ubar): ≠¥-75dB.
