.Chip made in China S50
·Advantages: made of imported high-temperature composite materials, with high temperature resistance,superior folding characteristics
·16 section,every section for 4 block,every block for 16Bit,block for unit
·Every section has a independent code to accecc and control
·Every card has an only serial number,by 32K
·No power,antenna oneself,inside contain passwork control logic and communicating logic circuit
·Capacity:1K EEPROM
·Data Save time:10 years,may rewrite100000 times,unlimited read
·Work Temperature:-20 ℃ ~50 ℃ 
·Work Frequency:13.56MHz
·Communication Speed:106kbps
·Read Distance:8-10cm
·Size:51.4*32.3*5.6mm      
·Type Field:Access control system etc