Function

Transmitting and receiving

Terminal

Pin 

Housing Material

Aluminium 

Center frequency

40±1.0 KHz

Transmitting S.P.L.

>120±3  dB

Receiving Sensitive

>-60 dB

Bandwidth T40-160

2.0  KHz

Bandwidth R40-160

2.5  KHz

Static capacitance

2400±20% PF

Ringing

1.2 max. ms

Nominal Impedance

1000 Ω

Directivity (deg.)

60°

Detectable Range

0.2 ~ 4 m

Total Beam Abgle (typical)

80°

Operating temperature

-40~+80 ℃

Storage temperature

-40~+85 ℃