5YOA 5/10/20pcs Rfid Smart Chip T5577 Coin Card Sticker Id 125khz 25mm Replicable Label Token Rewritable Key Em4305 Badge

Azabooti presents rfid coin cards, a 125khz rfid solution for secure access. These blank, rewritable 25mm cards are ideal for quick door access and token-based systems.

Effortless access with secure, rewritable RFID coin cards that fit discreetly on any keyring or badge holder. These 25mm round RFID chips are designed for 125 kHz systems and come with a rewritable TEMIC EM4305/T5577-compatible chip. Ideal for access control, door systems, or secure token applications, you can write your own data to these blank cards using a standard 125 kHz writer.

Your setup will benefit from compact size, easy handling, and reliable read/write performance, delivering quick identification with a read distance of 1–30mm and fast write times of 1–3 milliseconds. The data retention exceeds 10 years, ensuring long-lasting access credentials without frequent reprogramming.

Key Benefits

• Compact 25mm round form factor fits wallets, lanyards, and badge reels
• 125 kHz RFID with rewritable chip (EM4305/T5577 compatible)
• Reliable read/write in short-range access control systems
• Long data retention (>10 years) for durable credentials
• Blank on arrival — programmable to your unique access data

What You Get

• Blank RFID coin cards, 25mm diameter, pre-cut, ready for encoding
• Options for silk-screen printing or laser engraving upon request
• Compatibility with non-encrypted 125 kHz readers and standard Temic cards

Usage and Compatibility

• Use with a 125 kHz RFID card writer to encode your own data
• Not compatible with UHF readers or encrypted reader systems from certain brands
• Check your reader’s support for standard Temic cards before programming

Care & Handling

• Avoid exposing the chips to extreme heat or magnetic fields beyond typical operating ranges
• Store in a dry, cool place when not in use to maintain data integrity
• Handle with clean hands to prevent surface scratches on the card face

Features

• Write your own data on a rewritable chip
• Compact 25mm round form for wallets
• 125 khz read/write for short-range access
• EM4305 T5577 compatibility for flexibility
• Long data retention over 10 years
• Fast write times under 3 milliseconds
• Blank upon arrival ready for custom coding

Specifications

• Materials: blank RFID coin cards

Frequently Asked Questions

What systems are these 125khz rfid cards compatible with?

These cards use EM4305/T5577 compatibility and work with common 125 kHz access control readers. They are blank and programmable to your system’s data requirements.

How durable are these blank rfid cards for daily use?

The 25mm round cards are designed for long-term use with reliable read/write performance and data retention exceeding 10 years. They fit on keyrings or badge holders and withstand regular handling.

Can these rfid tokens be gifted for him or her?

Yes, the compact, rewritable rfid coin cards make practical gifts for tech enthusiasts. They suit wallet cards, tech gift ideas, or as exchangeable access tokens.