Dual-Frequency RFID Key Fob | CUID/T5577/EM4305 | 13.56MHz + 125kHz | Rewritable Waterproof | Hotel

Product Overview

The Dual Frequency RFID Key Fob combines both 13.56MHz and 125kHz RFID technologies in a single compact device. Equipped with CUID, T5577, and EM4305 chips, it offers excellent compatibility with a wide range of RFID access control systems, hotel locks, attendance terminals, smart locks, and card duplication devices.

Designed for durability and convenience, this waterproof and dustproof key fob provides reliable performance for security management, identification, and access control applications.

Key Features

* Dual Frequency Design: 13.56MHz + 125kHz in one key fob

* Integrated Chips: CUID, T5577, and EM4305

* Fully Rewritable Memory

* Supports Block 0 Modification

* High Compatibility with most RFID systems and card copiers

* Waterproof and Dustproof Construction

* Durable ABS Engineering Plastic Housing

* Compact and Portable Keychain Design

* Stable Reading Distance of 3–10 cm

* Suitable for Access Control, Hotel Locks, Attendance Systems, and More

How to Use

Register with an Access Control System

1. Add the key fob through the access controller or management software.

2. Assign user permissions as required.

3. Present the key fob to the reader for access authorization.

Rewrite or Clone RFID Data

1. Use a compatible RFID writer or card copier.

2. Place the key fob on the programming area.

3. Select the write or clone function.

4. Modify sectors or Block 0 if necessary.

5. Write the data and verify successful completion.

Daily Operation

1. Hold the key fob within 3–10 cm of the reader.

2. Wait for the confirmation signal or beep.

3. Access the secured area or perform the assigned function.

Applications

The Dual Frequency RFID Key Fob is ideal for:

* Office Access Control

* Residential Building Entry

* Hotel Lock Systems

* Employee Attendance Management

* Student Attendance Tracking

* Parking Access Control

* Vehicle Gate Entry Systems

* Campus Management

* Membership Programs

* Prepaid Card Systems

* RFID Card Backup and Duplication

* Time Recording Systems

* Identity Authentication Solutions

Product Description

Chipset: CUID (13.56MHz), T5577 / EM4305 (125kHz) Frequency: 13.56MHz + 125kHz Dual Frequency Memory: Fully Rewritable Block 0: Writable Reading Distance: 3–10 cm (depending on reader) Material: ABS Engineering Plastic Waterproof: Yes Dustproof: Yes Form Factor: Keychain / Key Tag Available Colors: Blue, Yellow, Red (custom colors available) Compatibility: Supports most RFID access control systems, hotel locks, attendance terminals, smart locks, and RFID card copiers |

Packaging

* Standard bulk packaging

* Individual poly bag packaging available

* Custom packaging available for OEM orders

* Laser engraving and logo printing services available for large-volume orders

This Dual Frequency RFID Key Fob offers a practical, reliable, and cost-effective solution for modern RFID access control and identification systems.