Description
An ultrasonic transmitter and high sensitivity receiver designed for sending and receiving continuous or modulated waves in the 40kHz region through air.Applications include remote control, data transmission etc.These units are not watertight.Sensitivity: 106db-65db.Resonant frequency: 40kHz ffl 1kHz.Directional angle: approx. 20\u00B0.Max input voltage: 20Vrms.Impedance: 500\u2126 30k.Capacitance: 1100pF ffl 20%.16mm diameter, 22mm height.
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