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EMC-00005-B
(Last updated) Jun 03, 2026
RFID KEY FOB
RFID KEY
Category
Subcategory
EMC - Communication
Description
An RFID Key Fob is a small, portable contactless tag used for wireless identification and access control. It contains an embedded RFID chip and antenna that communicates with RFID readers using radio frequency signals (commonly 13.56 MHz for Arduino RC522 systems).
Manufacturer Details
| Manufacturer | Part Number |
|---|---|
| NXP Semiconductors | MIFARE Classic 1K (S50 Key Fob) |
| ACS (Advanced Card Systems) | ACR RFID |
Application Resources
No application resources.
Technical Specifications
| Product Type | RFID Key Fob |
| Frequency | 13.56 MHz |
| Standard | ISO/IEC 14443A |
| Memory | 1KB / 4KB (varies by chip) |
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