| APM-TEC | Diameter (mm) | Height (mm) | Directivity | Sensitivity (dB) | Operation voltage (V) | Loading resistance (Ohm) | S/N Ratio (dB) | Max. Current (mA) | Termination |
| APM-MU-0454SP | 4 | 1.5 | Uni-directional | -54 ± 3 | 3 | 2.2K | >55 | 0.5 | Solderpad |
APM-MU-0454SP – (4mm, -54dB)
Uni-directional ECM, 4mm, -54dB.
