Navo 12mm Diameter 40KHz Ultrasonic Transducer w/ Independent Receiver / Transmitter (4 PCS)
Brand Navo Quantity 4 Piece Color Silver Material PCB English Manual / Spec Yes Other Features Model: TCT40-12R/T(12mm diameter); transmitting sound pressure: at10V0dB=0.02mPa117dB; receiving sensitivity: at40KHz (0dB=V/ubar)-65dB; static capacity: at1KHz Certification QC Packing List 4 x Ultrasonic transducers