RFID Tag with Keychain 13.56MHz – Mifare Classic 1k Chip

The RFID Tag with Keychain (13.56MHz) featuring the Mifare Classic 1K chip is a reliable and convenient solution for secure identification and access applications. Designed in a compact key fob format, this tag easily attaches to keys, bags, or ID holders, making it perfect for everyday use. It offers fast read/write performance, strong data security, and compatibility with any ISO/IEC 14443A 13.56MHz RFID or NFC reader.

Built from durable ABS plastic, the tag is waterproof, shock-resistant, and designed to withstand long-term use in both indoor and outdoor environments. Whether you’re using it for door access systems, attendance tracking, membership management, or Arduino/NFC projects, this RFID keychain provides a dependable and reusable solution with 1KB of rewriteable memory.

Specifications

• Chip Type: Mifare Classic 1K

• Memory: 1 KB (16 sectors × 4 blocks)

• Operating Frequency: 13.56 MHz

• Protocol: ISO/IEC 14443A

• Reading Distance: Up to 5–10 cm (depends on reader)

• Material: ABS plastic

• Form Factor: Keychain (key fob)

• Dimensions: Approx. 40 × 32 × 4 mm (varies slightly by model)

• Color: Available in multiple colors (blue, yellow, red, etc.)

• Data Retention: >10 years

• Write Cycles: 100,000+

Features

• Compact keychain design for easy carrying and daily use

• Fast read/write performance using Mifare Classic technology

• Durable and waterproof ABS shell

• Compatible with most 13.56MHz RFID/NFC readers

• Ideal for access control, attendance, membership systems, and Arduino projects

• Reusable tag — data can be rewritten multiple times