Description
EM4200 Key Card1. Chip: EM4200
2. Dimension: CR80
3. Frequency: 125KHz
4. Standard ISO11785
5. Material: PVC or ABS
6. Data saved time: 10 years
7. Options: Signature panel, LOCO/HICO Magnetic Stripe, embossing letter and number, barcode, sequential numbering, Gold/Silver card, frosted card.
8. Application: EM4200 Key Card is widely used in Parking lot system and hotel door locks, for its long inductive distance(70-80cm).
Features:
-Full compatible with EM4100/4102 and EM4005/4105 communication protocols
-128 bit laser programmed ROM (64 and 96 bit option available)
-Several options of data rate and data encoding
-Manchester 32 and 64 RF clocks per bit
-Biphase 32 and 64 RF clocks per bit
-PSK 16 RF clocks per bit (subcarrier RF/2)
-FSK2 50RF clocks per bit
-Several resonant capacitor integrated on chip (0pF, 75pF or 250pF mask option)
-100 to 150 kHz frequency range.(125kHz frequency range)
-On-chip rectifier and voltage limiter
-No external supply buffer capacitor needed
–40°C to +85°C temperature range
-Very low power consumption and High performances
The circuit is powered by an external coil placed in an electromagnetic field and gets its master clock from the same field. By turning on and off the modulation current, the chip sends back the unique code contained in a factory pre-programmed laser ROM.
The 128 bit unique code is stored in laser programmed ROM. Several options are available to use 64, 96 or 128 bits of ROM.
The IC offers also different resonant capacitor versions, selectable by mask option (0pF, 75pF and 250pF) providing the same reading performances to ensure seamless replacement.
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