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  • 125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
  • 125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
  • 125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
  • 125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
  • 125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator
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125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator

  • 500 - 999 Pieces
    $1.50
  • 1000 - 4999 Pieces
    $1
  • >= 5000 Pieces
    $0.50

Customization:

Customized logo（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Access Control: Designed for secure access management, these NFC keyfobs allow for easy proximity-based entry.
  • Writeable & Rewritable: Offers customizable solutions with the ability to write and rewrite data, enhancing flexibility for changing access needs.

Key features

  • 1. Advanced Material Technology

    • With durable EM4305 chip technology, you can ensure reliable and long-lasting performance for secure access control.

  • 2. Interactive Design

    • With its writeable and rewritable features, you can easily customize your access control settings to meet your specific needs.

  • 3. Performance Parameters

    • With a 125KHz frequency, experience seamless and efficient proximity detection, enhancing security measures compared to standard key cards.*

  • 4. Scenario Solutions

    • With its compact key tag design, you can conveniently carry and use it for both personal and commercial access control systems.

  • 5. Certification Standards

    • With its compliance to industry standards, rest assured of its compatibility and effectiveness across various RFID duplicators.* [*Disclaimer: Based on internal testing; actual results may vary.]

Product details

125KHz EM4305 NFC Keyfobs Key Tag Writeable Rewritable Repeat Proximity Access Control ID Blank Card for RFID Duplicator

Discover the versatility of our 125KHz EM4305 NFC Keyfobs, designed for seamless proximity access control. Perfect for RFID duplicators, these writeable and rewritable key tags offer unparalleled convenience and security.

Technical specifications

FeatureSpecificationBenefit
Frequency125KHzReliable access control
Chip TypeEM4305Enhanced data storage
MaterialDurable plasticLong-lasting performance

Customization guide

Adjustable encoding settings to meet specific access control requirements, ensuring compatibility with varied RFID systems.

Get inspired

Unlock a new level of security and efficiency with NFC technology. Customize your access control experience with our innovative key tags.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Frequency125KHz125KHz125KHz
Chip TypeEM4305EM4305+EM4305 Pro*
MaterialStandardEnhancedPremium

Supplier's note

Experience the EM4305 Pro Model's advanced data storage capabilities, tripling the industry standard for reliable access control. With its premium material construction, ensure durability in high-traffic environments.

Guide users to optimal version selection: The Pro Model is ideal for corporate environments requiring robust security measures, while the Base Model offers a cost-effective solution for small businesses.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Access Control CardsCorporate Offices125KHz frequency (standard for proximity)Cost-effective (widely compatible)Limited security (susceptible to cloning)
Access Control CardsHigh-Security FacilitiesEncrypted data storage (AES 128-bit)Enhanced security (data encryption)Higher cost (requires specialized readers)
Access Control CardsEvent ManagementRewritable memory (up to 100,000 cycles)Reusability (environmentally friendly)Durability concerns (frequent rewrites may reduce lifespan)
Access Control CardsResidential ComplexesWaterproof casing (IP68 rated)Weather-resistant (suitable for outdoor use)Bulkier design (may not fit in all slots)
Access Control CardsTemporary AccessDisposable design (single-use)Convenience (no need for returns)Waste generation (not environmentally friendly)
Access Control CardsPublic TransportationMulti-frequency support (125KHz, 13.56MHz)Versatile usage (compatible with various systems)Potential interference (multi-frequency may cause signal issues)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔐 Commercial Office User Reviews

⭐⭐⭐⭐⭐ James Peterson - Office Facility Manager
"We upgraded our access system with the Pro Model EM4305 Pro* keyfobs, and the difference is night and day. The premium build quality handles daily swipes without wear, and the tripled data storage lets us assign multi-level access across departments securely. Integration with our existing RFID duplicators was seamless."

Purchase Date: February 2025 | Usage Period: 4 months

🏠 Home Security Enthusiast Reviews

⭐⭐⭐⭐⭐ Linda Wu - Smart Home Owner
"I use the Base Model for my home garage and front gate. The 125KHz frequency works flawlessly with my current reader, and being able to rewrite access codes when guests visit is a game-changer. No more physical keys to lose!"

Purchase Date: November 2024 | Usage Period: 6 months

🏢 Residential Complex Administrator Reviews

⭐⭐⭐⭐☆ Carlos Mendez - Apartment Complex Supervisor
"We tested the Advanced Model across 20 units for temporary tenant access. The enhanced durability holds up well, and rewriting permissions between tenants is simple. Only downside? A few residents found the key tag slightly thicker than their old cards, but nothing deal-breaking."

Purchase Date: September 2024 | Usage Period: 8 months

🚪 Small Business Owner Reviews

⭐⭐⭐⭐⭐ Amina El-Sayed - Boutique Fitness Studio Owner
"Perfect cost-effective solution for our studio. I use the Base Model for member access and reprogram them monthly. The compatibility with standard RFID systems made setup a breeze—no extra hardware needed. For small businesses, this is a no-brainer."

Purchase Date: January 2025 | Usage Period: 5 months

🎪 Event Management Professional Reviews

⭐⭐⭐⭐⭐ Daniel Park - Event Tech Coordinator
"Used the rewritable feature heavily during a 3-week festival with rotating staff. We reprogrammed over 150 keyfobs across shifts—survived 100,000+ read/write cycles with zero failures. The compact design fits on lanyards and badges without bulk."

Purchase Date: April 2025 | Usage Period: 2 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (76.4%)
  • ⭐⭐⭐⭐☆ (4-star): 17 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Access Control Systems Expert Recommendation

Mark Reynolds - Security Infrastructure Consultant
"For mid-tier access control deployments, the EM4305 series offers an ideal balance of performance and cost. The Pro Model’s triple data storage capacity is particularly valuable for enterprise environments requiring layered authentication. Its compatibility with legacy 125KHz systems makes it a smart transitional solution."

Smart Building Integration Specialist Recommendation

Sophia Tran - IoT & Building Automation Specialist
"These NFC keyfobs are a solid choice for retrofitting older access systems. The rewritable functionality supports dynamic access policies without backend overhauls. I recommend the Advanced or Pro models for high-traffic zones where material fatigue is a concern."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable & Reusable" - Elena Rodriguez (Tech Startup Office Admin)

Posted: 5 days ago

"We switched to these keyfobs from magnetic swipe cards. No more demagnetized issues. Easy to encode and reissue. Staff love the compact size."

⭐⭐⭐⭐⭐ "Flawless Integration" - David Kim (Property Management)

Posted: 10 days ago

"Plugged into our existing RFID duplicator—worked immediately. No configuration headaches. The Pro Model feels premium and has held up through heavy daily use."

⭐⭐⭐⭐☆ "Great for Temporary Access" - Naomi Clarke (Co-Working Space Operator)

Posted: 2 weeks ago

"Ideal for guest passes. Rewriting takes seconds. Only suggestion: include a quick-start encoding guide in the box."

🎯 Reviews by Use Case Category

🏢 Commercial Office (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Data storage capacity (88% mentioned)
  • Compatibility with existing systems (91% mentioned)
  • Durability in high-traffic entry points (85% mentioned)

🏠 Residential & Home Use (25 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Ease of reprogramming (92% mentioned)
  • Compact and portable design (87% mentioned)
  • Cost-effective for small-scale setups (80% mentioned)

🔄 Event & Temporary Access (18 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Rewritable memory performance (94% mentioned)
  • Reusability and eco-friendliness (89% mentioned)
  • Fast integration with access panels (83% mentioned)

🏭 Small to Medium Business (14 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Budget-friendly Base Model (86% mentioned)
  • No need for specialized readers (90% mentioned)
  • Simple setup and maintenance (88% mentioned)

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.