Magnetic AUTHENTIC DS1990 Dallas Key - YSL90RMAGxxx

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Magnetic AUTHENTIC Dallas Key Please be aware of Asian Counterfeits - they do not have Unique ID's and compromise "Security of Use". The Unique ID is the fundamental principle for using iButton®. Unless the part number has a "DS" in front of the 1990 and a iButton® Registration Symbol - it's a Counterfeit. The technology used in Counterfeit Keys is also easily copied negating the whole principle of designing with iButton® and its Unique ID Security feature. WE ONLY SELL DALLAS/MAXIM AUTHENTIC/ORIGINAL iButton® Buy with confidence maintaining your Application Security: The YSL90RMAGXXX is an assembly of DS1990-F5 iButton® and a snap-in plastic FOB for applications that require permanent contact to a reader. The assembly is referred to a “The Magnetic Dallas Key” in Electronic Point of Sale applications and typically attached to a key ring and used for logging on and off. Care should be taken to ensure within the application the reader on the Terminal is of the magnetic type e.g. YSL9092MAG. Show more