Disk-On-The-Go RFID Encrypted External Slim Drive, the secure and portable storage device. Thousand of companies today use RFID technology to identify products and to improve internal efficiencies. Lightweight and small, this RFID slim drive is all about that. Efficiency. BUSlink RFID External Slim Drive comes with two RFID sensor cards that should both be activated when the drive is used for the first time. The drive is locked or unlocked by bringing the RFID cards within close proximity to an RFID sensor on drive enclosure. The RFID secured key matches a chip on the bridge board in order to gain access to the hard drive content. Without this key, the data on the hard drive will remain encrypted and inaccessible - even if the drive is connected to the computer.