LF RFID Key Fob – ABS – EM4305
Price range: $65.00 through $381.00
The EM4305 LF ABS RFID Key-Fob is a high-performance, waterproof tag operating at 100–150 kHz. It features a 512-bit EEPROM and supports writable RFID applications for versatile data management.
Constructed from durable ABS plastic, the key-fob is available in various sizes, shapes, and colors, making it adaptable to different branding and functional needs. Its lightweight design ensures ease of use in daily operations.
Chip Type: EM4305
Operating Frequency: LF 100-150 MHz
Communication Protocol: ISO/IEC 11784, ISO/IEC 11785
EEPROM: 512 bits
UID: 32 bits
Compliance: WEEE Directive

Ideal for industrial, commercial, and institutional sectors, the EM4305 key-fob supports access control, animal identification, and asset tracking applications, offering secure and flexible RFID performance.
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What is the LF RFID Key Fob ?
Low-frequency RFID technology continues to play a crucial role in secure identification and tracking systems. The EM4305 LF RFID Key Fob is a robust and versatile device designed to offer reliable wireless data storage and transmission in a compact form factor suitable for diverse applications.
Key Features
- Durable ABS housing with waterproof properties for long-lasting use
- 512-bit EEPROM memory with unique 32-bit UID for secure, writable data storage
- Compliance with ISO/IEC 11784 and 11785 standards for interoperability
- Lightweight design available in multiple colors to fit various needs
How Does the EM4305 Work?
The EM4305 key fob operates at low-frequency (100–150 kHz), communicating wirelessly via electromagnetic fields generated by RFID readers. Its embedded EEPROM allows for flexible data writing and reading, while the ABS casing ensures protection against physical and environmental stresses.
Applications and Benefits
Typical applications include:
- Access control systems ensuring secure entry management
- Animal identification for livestock and pets
- Asset tracking to improve inventory visibility and reduce loss
These applications benefit from the key fob’s durability, data reliability, and ease of use, facilitating efficient and secure operations in industrial, commercial, and institutional settings.
With its adaptable design and trusted technology, the EM4305 LF RFID Key Fob delivers dependable performance across various demanding environments, making it a versatile choice for many RFID solutions.
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