RFID means Radio Frequency Identification technology, a whole set of RFID system is consisted of Reader and Transponder, the working principle is a specific frequency will be transmitted by Reader to Transponder. When the driving circuit of Transponder will release the ID Code, Reader will receive this code for identification. The speciality of Transponder is featured by its no battery required, well-secured, anti-dirty surface touching, ultra-security code, high reliable and long lifetime, it is becoming quite popular and commonly used anywhere in people's daily life. Netac's RFID Portable HDD will boost your data much more security and conveniently.