HF RFID Key Fob – ABS – NXP® MIFARE Classic® EV1 4K
Price range: $266.00 through $1,551.00
The NXP® MIFARE Classic® EV1 4K HF RFID Key Fob features a robust ABS housing and a high-capacity 4K EEPROM chip, built to withstand daily wear and tear.
It supports 13.56 MHz high-frequency communication, offering secure and stable performance in various RFID environments. Its compact size fits keyrings and lanyards with ease.
Chip Type: NXP® MIFARE Classic® EV1 4K
Operating Frequency: HF 13.56 MHz
Communication Protocol: ISO/IEC 14443-A, NFC Forum Type 2
EEPROM: 4096 bytes
Compliance: WEEE Directive

Ideal for public transit ticketing, secure access control, membership systems, and hotel guest identification, this key fob delivers consistent, contactless functionality.
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What is the MIFARE Classic® EV1 4K RFID Key Fob?
The MIFARE Classic® EV1 4K RFID Key Fob is a compact, contactless smart key designed for seamless high-frequency (HF) identification. Developed on NXP’s proven MIFARE Classic® platform, this key fob incorporates advanced 4K EEPROM memory and reliable read/write capability, delivering dependable performance for frequent-use environments.
Key Features
- NXP MIFARE Classic® EV1 4K chip for secure storage and fast response
- High-frequency 13.56 MHz operation with ISO/IEC 14443 Type A compliance
- Durable ABS plastic housing for long-lasting daily use
- Customizable with laser engraving or logo printing
How Does the RFID Key Fob Work?
The RFID Key Fob operates via inductive coupling. When brought within proximity of an RFID reader, it receives power wirelessly through electromagnetic fields and communicates data using the MIFARE Classic® EV1 protocol. The internal 4K EEPROM memory is organized into sectors, enabling secure access partitioning for multi-application support.
Applications and Benefits
- Public Transportation: Seamlessly used in metro, bus, and train ticketing systems, enabling quick tap-and-go validation.
- Access Control: Integrates easily with NFC-enabled security systems for office or residential entry.
- Membership and Loyalty Programs: Ideal for gyms, libraries, or clubs to manage member data securely.
- Hospitality Industry: Simplifies hotel check-in by storing guest ID or room access information.
Built for reliability and backed by a trusted chip platform, this RFID Key Fob offers a smart, secure solution for streamlined access and identification across a range of industries.
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