EM Microelectronic is a Swiss semiconductor manufacturer specializing in the development and production of ultra-low-power, low-voltage integrated circuits (ICs) for battery-powered and field-operated applications.
EM chip cards from EM Microelectronic-Marin SA are largely based on the 125 kHz frequency. YouCard also offers solutions for personalized printing and encoding for 125 kHz EM transponder cards (except for EM4102 read-only chip cards). Our Zebra and Evolis printing systems are ideal for this purpose if you want to print your plastic cards or encode chip cards yourself. EM cards are programmed and printed in a single step.
All EM RFID chip cards are available from YouCard in printed or unprinted form. Please note that EM technologies only partially comply with ISO standards.
| Chip type | Frequency | Memory | ISO |
| EM 4200 (successor to the EM4102 chip) | 125 kHz | 8 bytes (read-only) | |
| EM 4105 | 125 kHz | 16 bytes | 11784, 11785 |
| EM 4150 | 125 kHz | 125 Bytes | |
| EM 4169 | 125 kHz | 16 Bytes | |
| EM 4450 / EM 4550 | 125 kHz | 125 bytes | |
| EM 4205 / EM 4305 | 100 – 150 kHz | 512 bytes | 11784, 11785 |
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