UID + T5577 Dual-Frequency RFID Key Fob | 13.56MHz + 125kHz | Rewritable Waterproof | Hotel & Access Control

Product Overview

The UID + T5577 Dual-Frequency Composite Keychain Card is a compact and portable RFID keychain that combines both 125kHz ID technology and 13.56MHz IC technology into a single device. It supports one ID credential and one IC credential simultaneously, making it ideal for users who need access to multiple systems with a single keychain. Built with durable PVC and ABS materials, it is waterproof, shock-resistant, reusable, and suitable for daily use in various access control environments.

Key Features

Dual-Frequency Technology: Supports both 125kHz ID and 13.56MHz IC frequencies in one keychain.

Integrated Chips: T5577 (or 5200) ID chip + UID IC chip.

Rewritable Design: Both chips support multiple read and write operations.

Multi-Card Storage: Stores one ID card and one IC card credential simultaneously.

Compact Size: Lightweight keychain design for convenient carrying.

Durable Construction: Made from high-quality PVC and ABS materials.

Waterproof & Shockproof: Suitable for long-term indoor and outdoor use.

Customizable Appearance: Available in Red, Yellow, Blue, and custom colors.

Long Service Life: Designed for repeated daily use with a 3-year warranty.

OEM & ODM Support: Custom logo printing and color customization available.

How to Use

Card Programming: Use a compatible RFID card copier or reader/writer to write ID and/or IC card data onto the keychain.

System Compatibility Check: Confirm that the target access control system supports rewritable cards and does not block cloned credentials.

Authentication: Hold the keychain within 2–10mm of the card reader.

Access Verification: The system will verify the stored credential and grant access if authorized.

Applications

Access Control Systems: Office buildings, residential communities, and restricted areas.

Elevator Access Cards: Secure floor authorization and elevator management.

Parking Management: Vehicle entry and exit authorization.

Attendance Systems: Employee and student time tracking.

Security Checkpoints: Identity verification and controlled access.

Membership Systems: Clubs, gyms, and private facilities.

Hotel & Apartment Access: Convenient entry credential management.

Product Description

Product Type: Dual-Frequency RFID Composite Keychain Card

Chip Configuration: T5577 (or 5200) ID Chip + UID IC Chip

Frequency: 125kHz (ID) + 13.56MHz (IC)

Reading Distance: 2–10mm

Dimensions: 45mm × 31mm × 5.5mm

Material: PVC + ABS

Manufacturing Process: Lamination and Ultrasonic Welding

Operating Temperature: -20°C to 40°C

Available Colors: Red, Yellow, Blue, or Customized Colors

Data Storage: Supports one ID credential and one IC credential

Read/Write Capability: Rewritable and reusable