RFID Transponder

Fraunhofer Institute for Photonic Microsystems

125 kHz transponder system
125 kHz transponder system.

Fraunhofer IPMS uses RFID technology in very small energy self-sufficient systems, with a range of possible approved frequencies from 125 kHz to 2.45 GHz. We have developed special RFID tags for several research projects. Along with standard functions, such as in identification solutions, their use is being extended to microsystems. Through provision for ISO standards for transmission protocols, the systems are also compatible with commercial readers. At the heart of most tags lies a specialized ASIC, in which the protocol, controller, and various sensors are integrated. Additional sensors can be attached via external interfaces. For all of our transponder systems we have developed separate readers. For trial and familiarization purposes, we supply our clients with an evaluation kit. Using our simulation tools we can also calculate important system properties and extreme environmental conditions influenced, for instance, by metals or liquids.

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