PA 1 100 dB(A)
65 dB29 m25 m29 m21,025 m³
70 dB16 m14 m16 m3,584 m³
75 dB9 m8 m9 m648 m³
80 dB5 m4.5 m5 m113 m³
85 dB3 m2.5 m3 m23 m³

The 3D-Coverage values show that the effective covered area is significantly reduced when the ambient noise level rises. If the alarm system designer does not take all aspects into consideration, the consequences can spell danger for people in the surrounding area.