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| Item | TO0101-004(T) | TO0101-004(R) | |
| Center Frequency | 40.0±1.0 KHz | 40.0±1.0 KHz | |
| Sound Pressure Level | 117~122 dB | --- | |
| Sensitivity | --- | -60~-55 dB | |
| Beam Angle | 90°typical | | |
| Capacitance | 1900±20% pF | | |
| Working Temperature | -40℃~+90℃ | | |




