T5577 125kHz Rewritable RFID Mini Key Fob | Clonable Waterproof | Hotel Membership & Access Control

Product Overview

The T5577 125kHz Rewritable RFID Key Fob is a durable and cost-effective access control solution designed for identification, security, and management systems. Equipped with a rewritable T5577 chip, this key fob supports over 100,000 rewrite cycles and offers excellent compatibility with most 125kHz RFID readers. Its compact size, waterproof ABS housing, and customizable design make it ideal for access control integrators, property management companies, hotels, and security solution providers.

Key Features

Integrated Chip: T5577 / EM5200

Operating Frequency: 125kHz Low Frequency

Rewritable Function: Supports data writing and rewriting over 100,000 times

Cloneable Design: Can duplicate compatible 125kHz RFID credentials

Password Protection: 8-digit password security against unauthorized modification

Memory Capacity: 330 bits

Data Partitions: 10 partitions

Reading Distance: 2–10 cm (depending on reader performance)

Fast Response: Approximately 0.01 ms read/write speed

Long Data Retention: Up to 10 years

Waterproof Housing: Suitable for indoor and outdoor environments

Durable Material: Impact-resistant and anti-magnetic ABS plastic

OEM & ODM Support: Custom logo, color, packaging, and printing available

Available Colors: Blue, Yellow, Red, Green, Black, Gray, Purple, Orange, Light Green, White

How to Use

Step 1: Place the RFID key fob near a compatible 125kHz RFID reader or writer.

Step 2: Use an RFID programming device or access control management software to read or write data.

Step 3: Configure the required ID, access permissions, or user information.

Step 4: Save the data and verify successful programming.

Step 5: Present the key fob to compatible access control systems for authentication and entry.

Note: Password protection can be enabled to prevent unauthorized rewriting or cloning.

Applications

Building Access Control: Secure entry for offices, factories, schools, and government facilities.

Hotel Key Management: RFID room access and guest identification.

Residential Communities: Apartment and gated community access systems.

Parking Management: Vehicle and parking lot access authorization.

Elevator Control Systems: Restricted floor access management.

Time Attendance Systems: Employee attendance and workforce management.

Membership Programs: Loyalty cards, club memberships, and customer identification.

Asset Tracking: Equipment identification and inventory management.

Visitor Management: Temporary access credentials for guests and contractors.

Product Description

The T5577 Rewritable RFID Key Fob is engineered for reliable performance in modern access control and identification applications. Featuring a high-quality T5577 chip operating at 125kHz, this RFID tag supports multiple programming formats and can be rewritten more than 100,000 times without performance degradation.

Manufactured from premium ABS plastic, the key fob offers excellent durability, waterproof protection, and resistance to impact and magnetic interference. The built-in 8-digit password protection enhances security by preventing unauthorized data modifications.

With flexible OEM and ODM customization services, customers can personalize logos, colors, serial numbers, and packaging to create branded RFID solutions for their businesses. The combination of reliability, security, and affordability makes this RFID key fob an ideal choice for large-scale access control deployments and identification systems worldwide.

Packaging & Shipping

Packaging Type: Standard bulk packaging or customized retail packaging

Individual Packing: Optional polybag or customized package

Carton Packaging: Export-standard carton for international shipping

Customization: Logo printing, custom labels, barcodes, and packaging design available

Sample Availability: Samples available for testing and evaluation

MOQ: Flexible minimum order quantity available

Export Markets: Worldwide

OEM/ODM Service: Supported

Quality Inspection: 100% quality checked before shipment

Factory Supply: Direct manufacturer pricing with stable production capacity and timely delivery.