VPMS

wireless communication devices for sensing, tracking, and/or monitoring conditions or activities of government and commercial physical sites requiring security; wireless communication systems for sensing, tracking, and/or monitoring conditions or activities of government and commercial physical sites requiring security, comprised of wireless access points, computer network bridges, wireless network repeaters, wireless gateways for collecting data, computer network routers, computer servers, and electronic devices comprised of electronic sensors, electronic detectors and electronic measuring devices for sensing, tracking, and/or monitoring conditions or activities of a site