Dimensions : 85.5 x 54 x 0.84mm or in customized Case Material : PVC ( PET Optional) Blank White Operation Temperature : -20°C to +50°C Storage Temperature : -20°C to +50°C Chip Type : Mifare 1K-Compatible: FM1108 Functionality : Read/Write Memory (EMPROM) : 1K Byte ,1024Bit (16x 4 bytes).7 byte serial number 32 bit user programmable OTP area Operation Frequency : 13.56 Mhz Protocol : ISO 14443 A, ISO7816 Read Distance : Up to Max. 100 mm Data Retention : up to 10year (<55c /131f) Packing Information : 200 pcs/Box, 3000 pcs/ Carton Material : PVC,PET,ABS available Feature - Contactless transmission of data and supply energy - Operating distance up to 100 mm depending on antenna geometry and reader configuration - Operating frequency of 13.56 MHz ?? Data transfer of 106 kbit/s - Data integrity of 16-bit CRC, parity, bit coding, bit counting - Anticollision - Typical ticketing transaction time of < 100 ms (including backup management) - 1 kB, organized in 16 sectors of 4 blocks (one block consists of 16 byte) - User definable access conditions for each memory block - Data retention time of 10 years - Write endurance 100000 cycles