Product Description
Features:
1) Function: transmitter and receiver
2) Terminal: pin
3) Housing material: aluminum
4) Sound pressure level: >/=105dB
5) Sensitivity: >/=-74dB
6) Center frequency: 40+/-1.0kHz
7) Directivity (deg): 80+/-15
8) Static capacitance (pf): 1,800+/-20%
9) Allowable input voltage: 140V
10) Operating temperature: - 40 ~ 80?
11) Storage temperature: - 40 ~ 85?;
12) Applications: range finders, burglar alarms, automatic doors, remote controls, ultrasonic distance meters