EM4100 cards are contactless RFID cards operating in LF at 125 kHz. They have read-only memory and a unique identifier (UID).
EM4100 read-only cards are widely used for access control and identification at hotels and hospitality facilities, companies, schools and universities.
Available in different materials — PVC, PETG, wood — they come in the following sizes: 86 mm x 54 mm x 0.86 mm for PVC and PETG, 86 mm x 54 mm x 1.3 mm for wood.
| RFID chip | EM4100 |
| Chip frequency | 125 kHz |
| Memory | READ ONLY |
| UID | 8 Bytes |
| Manufacturer | EM Microelectronic |
