READER SERVICE SIGNAL

Electronic transmitters and receivers; radio transmitters, radio receivers; electronic measuring apparatus for radio transmitters and radio receivers; apparatus for networks of transmitters and receivers, for electronic reading devices; radio signal transmitters and radio signal receivers, antennae, antennae networks; radio frequency identification systems; radio sensor networks; systems for the automatic identification and localization of objects; transponders (communication, localization and monitoring device); electronic labels (tags), wireless sensors