| Terminal | Pin | |
| Housing material | ABS757 black | |
| Center frequency | KHz | 40±1.0 |
| Transmitting S.P.L. | dB | >118 |
| Receiving Sensitive | dB | >-58 |
| Directivity X-axis | Deg | 70±15 |
| Directivity Y-axis | Deg | 70±15 |
| Capacitance | PF | 1.900±20% |
| Allowable Input Voltage | Vp-p | 20(RMS) |
| Operating Temperature | °C | -20~+70 |
| Storage Temperature | °C | -30~+80 |
