An independent news service reporting on developments regarding the use of radio based transponder systems for commerce and scientific applications. Covering the RFID technologies, EAS technologies and magnetic coupled techniques.
Tags consist of antennas, electronic circuitry, and energy sources.
Passive tags, that is those that receive their energy from the energising field, can dispense with the need for energy sources. Electronic circuitry has already advanced to the stage where the electronic circuitry is implimented on a single circuit. The last major manufacturing hurdles are the antenna system and the packaging. Major applications are starting to appear in the 433MHz band, the 915MHz band and soon in the 2.45GHz and 5.6GHz band. The latter two bands are still technically challenging for the semiconductor industry.