RFID active You are here Products Technologies RFID active Active tags have compared to passive tags the difference that they can SEND data in defined time intervalls. Since they have an own power source (battery) they can reach very long read ranges which can go far beyond 100 m. RFID Transponder Passive or active tags (transponder) are used for wireless identification. Indoor Tracking & Positioning Systems Localisation and Tracking (Indoor). Interested? Get in touch with us!