125kHz & 13.56MHz RFID Keychain Tag

The 125kHz and 13.56MHz RFID Keychain Tag is a compact passive RFID tag in a small oval keyfob form factor measuring 4.37cm — the same technology as a flat RFID card but in a keyring-compatible shape that attaches to a key ring, bag, or lanyard for everyday carry rather than sitting in a card slot or wallet. This rfid keychain tag contains a pre-programmed unique identifier and 8Kbit of storage, operates without any battery by drawing power from the reader’s RF field, and is compatible with both 125kHz readers such as the EM-18 module and 13.56MHz readers such as the PN532 and RC522 module.

The rfid key fob’s keyfob form factor is the practical difference from the flat RFID card — it is more durable for daily carry on a keyring, more resistant to bending and cracking than a flat card, and easier to tap on a reader that is mounted vertically on a door or wall because the rounded shape is easier to grip and orient quickly. The rfid card price-accessible 125khz rfid keychain suits the same access control, attendance, and identification applications as the flat card but in a format users typically prefer for personal carry. Available from StemVolt.

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• Checkout DS1307 RTC I2C Module

Features:

• Key form factor attaches to keyring for easy daily carry
• Passive — no battery, powered by reader RF field only
• Pre-programmed unique ID — ready to use out of the pack
• 8Kbit storage for identifier and data beyond basic card ID
• Compact 4.37cm size fits standard keyfob holders and lanyards

Technical Specifications:

Applications:

• Personal keyring access card for Arduino RFID door lock build
• Student RFID attendance keyfob for 125kHz reader system
• rfid key fob for RFID identification and access control lab

Package Includes:

• 1 x 125kHz & 13.56MHz RFID Keychain Tag