The RFID Key Fob is available for use with the GDS3710 and the USB RFID Card Reader. This nonwritable proximity induction card receives radio energy from the RFID Card Reader to power the card and its ability to interact with the GDS3710 or USB RFID Card Reader. This contactless ID key fob is easy to setup and use, and therefore is ideal for use in a wide range of facility access, attendance and security applications.