PSA announced a partnership with Magnasphere a US manufacturer of door contact technology. Magnasphere features magnetic, non-defeat resistance to permanent contact welding, and all-steel construction. Magnasphere Motion, powered by Inxpect, features advanced radar and radio sensors that dramatically reduce false alarms found in other motion-sensing technologies.
Magnasphere is fast becoming the standard when secure door protection is required.
Source: psasecurity.com