Berger & Schroter SG880MK18M/HD User Manual page 38

This camera has a new design of PIR. The new PIR's detection range of
SG880M-18MHD can reach to 73ft in good environments. Figure 8
shows the compared detection zone between normal PIR and the new
patented PIR.
Normal PIR
New PIR
Fig.8 PIR Detection Range
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