5YOA 10 Pack 125KHz RFID Keyfobs TK4100 EM4100 Proximity ReadOnly Door Entry Access Control Tokens
Available in stock (19997)
Product Overview
Secure your access with this 10-piece set of 125KHz RFID keyfobs, utilizing the TK4100/EM4100 chip for reliable, read-only identification. Designed for durability and ease of use, these smart ID keychains are perfect for access control systems, attendance tracking, and ticketing applications, offering a simple yet effective solution for managing entry and identification needs.
Specifications
- Brand Name: 5YOA
- Chip Type: TK4100/EM4100
- Smart Card Type: Recorded (Read-Only)
- Response Frequency: 125 KHz
- Erase Life: 100,000 times
- Operating Temperature: -40 ℃ to 85 ℃
- Material: ABS
Features
- Read-Only Functionality: Each keyfob is pre-programmed with a unique ID that cannot be written to or altered, ensuring secure and consistent identification.
- Durable Construction: Made from ABS material, these keychains are built to withstand daily use and varying environmental conditions, including being waterproof.
- Vibrant Color Options: Available in a wide range of colors including Red, Pink, Mixed Color, Purple, Gray, Blue, Green, Yellow, and Black to easily distinguish and organize.
- Integrated Key Ring: Each token comes with a convenient key ring for easy attachment to keys, lanyards, or bags.
- Unique ID Programming: Every keyfob features a unique ID, laser-printed for clear identification and traceability by access control systems.
Measurements
- Dimensions: Approximately 43.7 x 30.5 x 5.3 mm (1.72 x 1.20 x 0.21 inches)
- Sensing Distance: Up to 5 cm (approx. 2 inches)
- Read/Write Time: 0.2 milliseconds
Packing List
- 10 x 125KHz RFID TK4100 EM4100 Proximity Keyfobs (ID Keychains)
Notes
- These keyfobs are strictly read-only and cannot be used for recording or writing data.
- Ensure compatibility with your 125KHz RFID reader system before purchase.
- The product includes a key ring for each token.
- The TK4100 and EM4100 chips are functionally equivalent for read-only applications at 125KHz.
Product Tags
- RFID Keyfob
- Access Control
- ID Keychain
- Smart Card
- TK4100
- EM4100
- 125KHz
- Proximity Tag
- Door Entry
- Secure ID
Product Type
- Access Control Keyfob
Disclaimer
- Design Specifics: The visible gap is a deliberate functional feature of engineering and does not indicate a defect or damage.
- Visual Variations: Actual product colors may vary slightly from online images due to differences in lighting conditions and monitor display settings.
- Measurement Tolerance: Please allow for minor dimensional deviations resulting from manual measurement and manufacturing processes.
- Policy Information: Consult our FAQ, Privacy Policy, and Terms & Conditions for comprehensive details regarding returns and exchanges.
Images
Place an order of $75 or more today, and we’ll send you a 10% discount code as a thank-you for your next purchase.
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How long will it take to receive my order?
How long will it take to receive my order?
Most U.S. orders are estimated to arrive within 7–12 business days after processing. Orders to other eligible countries are also usually estimated at around 7–12 business days, depending on the product, carrier, and destination. However, delivery is not guaranteed, and some orders may take up to 7–25 business days because of carrier delays, customs, supplier processing, weather, or other shipping conditions.
What if my item arrives damaged, defective, or incorrect?
What if my item arrives damaged, defective, or incorrect?
Contact us within 7 calendar days of delivery. Please include your order number, checkout email, clear photos or video proof, and a short explanation of the issue. If approved, we may provide a replacement, refund, store credit, partial refund, or another suitable resolution.
Where can I find the full policy details?
Where can I find the full policy details?
For complete details about returns, refunds, shipping, delivery, privacy, terms and conditions, legal notices, and customer support, please review our policies under the Legal & Support section in the footer.
These policies explain important information about order processing, delivery timeframes, return eligibility, refund rules, customer responsibilities, and how to contact our support team for help.
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10% OFF NEXT ORDER
Place an order of $75 or more today, and we’ll send you a 10% discount code as a thank-you for your next purchase.






