10/20pcs 125kHz RFID Proximity Keyfobs Secure Door Entry Access Control ID Tags

Introducing the 5YOA RFID Keychain, a versatile and durable solution for your identification and access needs. Crafted from high-quality ABS material, this keychain is designed for reliability and longevity. With a compact size of approximately 43.7 x 30.5 x 5.3mm, it is easy to carry around. Operating at a frequency of 125 KHz and incorporating the TK4100/EM4100 chip, this keychain offers seamless integration with a variety of systems including public transportation, parking, attendance, and more.

Each keychain features a unique, laser-printed ID and is equipped with a convenient key ring for easy attachment to your belongings. Its impressive erase life of 100000 times ensures long-lasting performance, while the waterproof design and broad operating temperature range (-40 ℃ to 85 ℃) provide great adaptability across different environments. With a swift read time of 0.2 milliseconds and a sensing distance of up to 5 cm, this keychain delivers efficient and quick identification.

Summary of Features:
- Brand: 5YOA
- Certification: CE
- High-concerned Chemical: None
- Material: ABS
- Size: 43.7 x 30.5 x 5.3mm
- Frequency: 125 KHz
- Chip Type: TK4100/EM4100
- Erase Life: 100000 times
- Sensing Distance: 0-5 cm
- Read Time: 0.2 milliseconds
- Operating Temperature: -40 ℃ to 85 ℃, waterproof
- Color: Mixed
- Applications: Public Transport, Parking, ID Identification, Attendance, Ticketing, etc.
- Includes key ring
- Pre-programmed with unique ID

Note: This RFID keychain is read-only and not writable. Ensure compatibility with your device before purchase.