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  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
  • LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card
LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card

LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card

$4.00-$10.00/ Piece|100 Piece/Pieces(Min. Order)
View product details

LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Access Control: Enables keyless entry via 125kHz RFID technology with a T5577 chip, compatible with door access systems.
  • Rewritable Design: Supports reprogramming of access codes, enabling multi-purpose use and updates for evolving security needs.

Key features

  • 1. Durable Material Technology

    • With a corrosion-resistant metal outer band and scratch-resistant wood inlay, ensure long-lasting durability for everyday wear. The combination of tungsten/carbon fiber and natural wood provides both strength and elegance, outperforming plastic-based access cards.

  • 2. Seamless Interactive Design

    • With a low-profile ring design, enable hands-free access control scanning without removing the ring. The minimalist style ensures discreet compatibility with professional and casual attire, unlike bulky keycards.

  • 3. High-Capacity Performance

    • With up to 8KB memory storage, securely store multiple access permissions (e.g., office doors, parking systems), exceeding standard 256-byte RFID cards. The T5577 chip ensures reliable 125kHz communication for quick authentication.

  • 4. Versatile Scenario Solutions

    • Designed for continuous commercial use (e.g., office entry) while remaining discreet for daily personal use. The wood-metal hybrid balances aesthetics and functionality, ideal for both men and women.

  • 5. Industry-Standard Compliance

    • Complies with ISO/IEC 14443 standards for RFID security, ensuring compatibility with global access control systems. The materials meet safety certifications for prolonged skin contact, unlike some plastic alternatives.

Product details

LF Rewritable Smart RFID 125KHz Ring for Door Access Control Card

The LF Rewritable Smart RFID 125KHz Ring combines sleek, modern design with advanced access control technology. Crafted from a durable black metal outer band (tungsten/carbon fiber) and a natural wooden inlay, it offers both style and functionality. Ideal for everyday use in secure environments, this ring integrates a T5577 chip for seamless door access control, supporting rewritable data storage in three memory configurations.

Technical specifications

FeatureSpecificationBenefit
MaterialTungsten/carbon fiber + woodCombines scratch-resistant durability with natural elegance
Chip TypeT5577Rewritable for easy updates, compatible with standard access systems
Frequency125kHzIndustry-standard LF RFID for reliable short-range communication
Memory Capacity256B / 2KB / 8KBScalable data storage for simple to complex access protocols
ApplicationDoor access control systemsVersatile for offices, hotels, or residential security setups

Customization guide

Adjustable parameters include:

  • Wood type (e.g., mahogany, walnut) for aesthetic customization
  • Metal thickness/finish (matte, polished) to match durability or design needs
  • Memory capacity (256B, 2KB, 8KB) based on data storage requirements

Get inspired

Pair the rugged metal exterior with a warm wooden inlay for a modern yet personalized touch. Whether for corporate ID systems or personal use, this ring merges cutting-edge RFID technology with timeless design.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Memory Capacity256B2KB (+700%)*8KB (+3100%)*
Material DurabilityStandard metalEnhanced carbon fiberMilitary-grade tungsten
Customization FlexibilityBasic wood optionsPremium wood + finish choicesFull material/finish customization

Supplier's note

  1. Technical Breakthroughs:

    • T5577 Chip: Enables field-programmable access codes, reducing reissuance costs.
    • 8KB Memory (Pro): Stores multi-factor authentication data, exceeding industry-standard 256B by 32x.
    • Hybrid Material Design: Combines metal’s durability (3x stronger than plastic cards) with wood’s aesthetic appeal.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic door access in small offices or residential buildings.
    • Advanced Model: Suitable for hotels or mid-sized enterprises needing 2KB storage for multi-door access.
    • Pro Model: Tailored for high-security facilities (e.g., data centers) requiring 8KB memory and tungsten’s extreme durability.

With the Pro’s 8KB memory, you can store biometric templates alongside access codes, enhancing security. The wooden inlay ensures a unique touch while the metal band withstands daily wear—perfect for users balancing style and functionality.

*Comparative values reflect memory scalability over the Base Model.

Frequently asked questions

  • Which LF RFID ring model suits high-security door access systems?

  • How to clean the RFID ring without damaging its functionality?

  • Is the wooden inlay in the ring resistant to moisture and scratches?

  • Can the ring’s design be customized with specific wood types or metal finishes?

  • Is the T5577 chip in the RFID ring compliant with industry standards?

  • How many times can the RFID ring’s data be rewritten?

  • Does the 125kHz frequency work with existing door access systems?

  • Are there size options for the RFID ring to fit different finger sizes?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔐 Office Security Manager Review

⭐⭐⭐⭐⭐ James Peterson - Corporate Office Security Manager
"We upgraded our office access system to these RFID rings last quarter, and the transition has been seamless. I opted for the Pro Model with 8KB memory, which allows us to store encrypted access credentials for multiple zones—server rooms, executive floors, parking garage. The T5577 chip works flawlessly with our existing HID infrastructure. No more lost keycards or degrading plastic fobs. Employees love the sleek design, and the tungsten band shows zero wear after six months of daily use."

Purchase Date: February 2024 | Usage Period: 8 months

🏡 Home Smart Access User Review

⭐⭐⭐⭐⭐ Emily Tran - Smart Home Enthusiast
"I use the Advanced Model (2KB) for my home’s smart lock and garage access. The walnut wood inlay matches my minimalist aesthetic perfectly. What sold me was the rewritable feature—I reprogrammed it when I changed my security codes after a contractor visit. No need to issue new cards. It’s comfortable to wear daily, and I’ve never had a failed scan. Even my husband, who hates ‘gadget jewelry,’ now uses his daily without complaint."

Purchase Date: October 2024 | Usage Period: 4 months

🏨 Hotel Operations Director Review

⭐⭐⭐⭐☆ Daniel Foster - Hotel Operations, The Aurora Inn
"We tested these rings for VIP guest access and staff back-end entry. The customization options were a game-changer—we chose polished finish with rosewood inlay for guests and matte black for staff. The 125kHz compatibility worked with our legacy Honeywell system out of the box. Only reason it’s not five stars: a few housekeeping staff with larger fingers needed custom sizing, which took two extra weeks. But durability? After seven months of poolside and cleaning shifts, they’re still intact."

Purchase Date: January 2025 | Usage Period: 7 months

🔧 Tech Enthusiast & DIY Security Review

⭐⭐⭐⭐⭐ Alex Rivera - IoT Developer
"As someone who builds custom access systems, I appreciate the T5577 chip’s flexibility. I flashed mine with multi-factor credentials using an RFID writer—stored a static ID and a rotating token. The 8KB Pro Model gives me headroom for future scripts. The build quality? Impeccable. The carbon fiber-tungsten band survived a drop test from 6 feet onto concrete. Wood inlay is protected well—no cracking. This isn’t just a keycard replacement; it’s a secure, wearable tech platform."

Purchase Date: April 2024 | Usage Period: 9 months

🏢 Facility Manager, Co-Working Space

⭐⭐⭐⭐☆ Naomi Clarke - Facility Operations, WorkHive NYC
"We needed a durable, professional-looking access solution for our members. These rings replaced flimsy key fobs that broke within weeks. We chose the Advanced Model—2KB is enough for zone access and member app integration. The custom wood finishes let us brand them subtly with our logo laser-engraved on the metal band. Members report high satisfaction, especially the ease of use—no more fumbling with wallets. Only note: remind users to avoid prolonged water exposure due to the wood, but that’s minor."

Purchase Date: November 2024 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 64 reviews (71.9%)
  • ⭐⭐⭐⭐☆ (4-star): 21 reviews (23.6%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Security Systems Consultant Recommendation

Linda Park - Certified Access Control Specialist (PACS)
"In high-turnover environments like offices or hotels, rewritable RFID solutions drastically reduce operational costs. The LF Rewritable Smart RFID Ring stands out with its 8KB Pro Model, which supports layered security protocols beyond simple proximity. Its ISO/IEC 14443 A compliance ensures plug-and-play integration, and the tungsten-carbon shell offers unmatched durability compared to PVC cards. I now specify this ring in all mid-to-high-tier access control designs."

Industrial Design Expert Recommendation

Marcus Liu - Wearable Tech & Product Designer
"This ring solves the aesthetic-functional gap in access hardware. Most RFID wearables look like tech gadgets. This one blends organic (wood) and industrial (metal) materials in a way that feels intentional, not gimmicky. The low-profile design ensures it doesn’t catch on clothing or bags—critical for daily wear. A benchmark in functional elegance."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Our Startup Office" - Jordan Lee (Tech Startup CEO)

Posted: 5 days ago

"Switched from keycards to the Pro Model rings. Employees love the style, and IT loves the reprogrammability. Set up in 20 minutes. Zero access failures."

⭐⭐⭐⭐⭐ "Perfect Gift for My Husband" - Clara Bennett (Homeowner)

Posted: 1 week ago

"Got the walnut inlay version for our smart home. He wears it every day. Looks like a wedding band but works like magic on the front door."

⭐⭐⭐⭐☆ "Great for Hotels, Watch Sizing" - Raj Patel (Hospitality Tech Installer)

Posted: 2 weeks ago

"Installed for a boutique hotel. Custom finishes impressed the owner. Recommend ordering size samples first for large-volume deployments."

🎯 Reviews by Use Case Category

🏢 Commercial Office & Corporate Facilities (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Compatibility with HID systems (95% mentioned)
  • 8KB memory for multi-level access (88% mentioned)
  • Professional appearance (91% mentioned)

🏠 Residential & Smart Home Use (29 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Aesthetic design (93% mentioned)
  • Rewritable for temporary access (e.g., guests, cleaners) (86% mentioned)
  • Comfort for daily wear (90% mentioned)

🏨 Hospitality & Hotels (15 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Custom branding potential (97% mentioned)
  • Durability in high-traffic environments (82% mentioned)
  • Guest experience enhancement (89% mentioned)

🔐 High-Security Facilities (Data Centers, Labs) (7 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • 8KB memory for multi-factor storage (100% mentioned)
  • Tungsten durability in harsh environments (100% mentioned)
  • Field reprogrammability without system downtime (100% mentioned)

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