EM4200 proximity cards is a CMOS integrated circuit intended for use in electronic Read Only RF transponders. It is designed to replace seamlessly the EM Microelectronic-Marin Read Only ICs EM4100/4102 and EM4005/4105.
Each of EM proximity cards has a unique serial number. It is a great solution for
- access control , time attendance system.
- waste management standard
- Industrial transponder
- Anti-counterfeiting
Feature of EM4200 proximity Cards:
- IC manufacturer: EM Microelectronic
- Wafer die: EM4200Â
- Function: only readÂ
- Memory: 128 bit
- Frequency: 100 to 150 KHz frequency range
- Reading Distance: 2-10cm typically
- RF protocol: ISO11784/785
- Temperature: -40°C to  +85°C range
- read/write time: 100000
- Data storage time: up to 10 yearsÂ