Pagers; Alarm central units; Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Antennas; Biological safety cabinets; Biometric fingerprint door locks; Biometric scanners; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Electronic carbon dioxide monitors, other than for medical purposes; Electronic devices for assisting care giving for seniors or people needing assistance comprised of sensors for determining status of person an...

providing information to professional support technicians concerning the service, installation and maintenance of the RF portion of wireless paging and wireless messaging infrastructure by means of a web site on the global computer network