Features:
1) Function: transmitter and receiver
2) Terminal: pin
3) Housing material: aluminum
4) Sound pressure level: >/=120dB?3dB
5) Sensitivity: >/=-60dB?3dB
6) Center frequency: 40+/-1.0kHz
7) Nominal impedance: 1,000 Ohm
8) Static capacitance (pf): 2,400+/-20%
9) Bandwidth:
a) T40 - 160: 2.0kHz
b) R40 - 160: 2.5kHz
10) Ringing: 1.2 (max.)
11) Total eam angle (typical): 80?
12) Operating temperature: - 20 ~ 70?
13) Storage temperature: - 30 ~ 80?;
14) Applications: range finders, burglar alarms, automatic doors, remote controls, ultrasonic distance meters