LUCKING DOOR EM4100 TK4100 RFID Keychain Tokens – Read-Only

LUCKING DOOR EM4100 TK4100 RFID Keychain Tokens – Read-Only — Compact 125kHz read-only keychain tokens designed for secure, reliable access control and identification. Durable ABS fob with stable EM4100/TK4100 chips for door entry, time clocks, and asset tagging.

Features

• Read-only 125kHz RFID keychain token — fixed ID for secure access
• Durable ABS housing, compact keychain form factor
• Compatible with EM4100/TK4100 readers and most low-frequency access systems
• Easy to attach to keys for everyday use

Product Specifications

• Frequency: 125kHz
• Chip: EM4100 / TK4100 (read-only)
• Format: Keychain token / keyfob
• Quantity: 100 pcs per package
• Use: Access control, attendance, asset ID
• Package includes: 100 x RFID keychain tokens

Warning / Advice

• Read-only: IDs cannot be rewritten or duplicated with standard writers.
• Avoid strong magnetic fields and extreme heat to preserve tag integrity.

These RFID keychain tokens simplify access control by providing stable, unchangeable IDs that eliminate accidental reprogramming. Install them with existing 125kHz readers to speed up onboarding, reduce maintenance, and improve security for offices, retail, or community entry points. Their compact, durable design makes day-to-day use effortless.

Perfect for small businesses, property managers, schools and DIY access projects — backed by a satisfaction guarantee.

Ready to deploy in door entry systems, time clocks, and asset tracking — add this 100-pack of EM4100/TK4100 keychain tokens to your project today for reliable, low-frequency RFID access. Used daily for secure entry and identification; satisfaction guaranteed.