DESCRIPTION 8K EEPROM Divided into 16 sectors, each sector is 4, each 16 bytes, regard one as and deposit and withdraw the unit. Each sector have independent two group KEY that can operating differently. There is function of wallets,is suitable for consuming on a small quantity. Each card has the only sequence number, is 32. Defend conflict,support many cards to operate There is no power,take the antenna by oneself , include encrypt and control logic and communication logical circuit inside. The data were 10 years in storage date,can rewrite 100,000 times, read countless. Temperatures: -20~50 (Humidity 90%) Frequency: 13.56MHZ Communication speed: 106 KBPS Distance: Within 100mm FORM M1 card divide into 16 sector, each sector mak e up by 4 (pieces of 0, pieces of 1, pieces of 2, pieces of 3), also according to specific address 16 of sector with 64 pieces to number the 0-63, the store structure picture as the following . ------------------------------------------ Company profile: JINMUYU ELECTRONICS CO., LTD. BEIJING CHINA is a high technical supplier founded in 2003, specializing in the development, manufacture, marketing of IC cards, IC card-related equipment, system software and system integration of computer projects. Our products are widely used in the fields of finance, communications, social insurance, industrial and commercial management, taxation, enterprises and public organs, etc.