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DF Supply, Inc. is the leading distributor of Secura Key access control systems and accessories. Secura Key has been in the business of manufacturing access control and RFID products for over 38 years. We have a complete line of card access systems ranging from single door, highly intelligent stand-alone systems, to complete multi-door, online PC based systems. Reader technologies include the slotless TouchCard, Proximity, and other leading technologies. Secura Key manufactures a full line of RFID readers and transponders that comply with most ISO standards, including 15693 and 14443.