The Vicinity Key Fob Transponder from Texas Instruments is compliant with the ISO/IEC 15693 global standard for contactless integrated circuit cards operating at 13.56MHz. The key ring is based on TI's Tag-it TM Smart Label technology and allows interoperability of products from multiple manufacturers. With a user memory of 2K bits organized in 64 blocks, the 13.56 MHz key Fob enables advanced solutions in a variety of markets, to include payment & loyalty applications, access control & security, ticketing, public transportation, production control, warehousing & item level tagging.