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JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10)
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JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10)
The JYJ 125kHz EM4100 key fob is equipped with a unique ten digit code, making it perfect for secure identity recognition and data reading.
JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10)
Item #: 103898139

JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10)

Item #: 103898139

INR 1234

Price Details

Price

INR 1234

M.R.P. INR 1234

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Order now and get it around Saturday, August 29
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The JYJ 125kHz EM4100 key fob is equipped with a unique ten digit code, making it perfect for secure identity recognition and data reading.
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What Stands Out

RFID Technology
Utilizes advanced RFID technology for quick and secure access, ensuring efficient entry for users while enhancing security protocols.
Durable Design
Crafted with robust materials, these key fobs are built to withstand daily wear and tear, providing long-lasting reliability suitable for various environments.
Multiple Units
Comes in a pack of ten, offering great value for families or businesses needing several access keys, simplifying management and cost-effectiveness.

Product Details

JYJRFID Shop JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10) online at a best price in India. B0DF25H5PG
BrandJYJRFID
Are Batteries IncludedNo
Manufacturerjinyujie
Model NumberB1009
Mfr Part NumberB1009
Built-In Media125KHZ wristband
Control MethodTouch
Audible Noise125 Decibels
Noise Level125 Decibels
Number of Items10
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Security Professionals

    Ideal for personnel needing reliable access control solutions in secured areas and facilities management.

  • Event Organizers

    Useful for managing access at events, allowing quick entry and enhanced security for attendees.

  • Homeowners

    Perfect for homeowners seeking smart security solutions for keyless entry to their homes or garage.

Not Suitable For
  • Tech Enthusiasts

    May not satisfy advanced users looking for customizable or programmable RFID solutions with enhanced features.

Product Description

JYJ 125kHz EM4100 Key fob,RFID id Intelligent Security Access Key Chain Grey (10)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the JYJ 125kHz EM4100 Key fob used for?

    Answer: The JYJ 125kHz EM4100 Key fob is primarily used for secure access control in various applications. It communicates using RFID technology, allowing for quick identification and authorization for entry into restricted areas or systems. This key fob is ideal for use in office buildings, homes, and commercial environments where secure access is crucial. Its compact design makes it perfect for attaching to keychains or bags, ensuring convenience while enhancing security.
  • Question: How does the EM4100 RFID technology work?

    Answer: The EM4100 RFID technology operates on a 125kHz frequency, utilizing passive radio frequency identification. When the key fob is brought near a compatible RFID reader, it transmits its unique identifier, allowing the system to verify access rights. This technology is widely used in security systems due to its reliability and efficiency. The integration of RFID ensures that access is controlled accurately, minimizing unauthorized entry effectively in both residential and commercial settings.
  • Question: Is the JYJ Key fob compatible with all RFID readers?

    Answer: The JYJ 125kHz EM4100 Key fob is compatible with most standard 125kHz RFID readers. However, to ensure full functionality, it's advisable to check the specifications of the reader you are using, as some advanced systems may require specific programming or configurations. This compatibility makes it an excellent choice for various access control setups, from home security systems to larger enterprise solutions, helping maintain streamlined security protocols.
  • Question: Can the JYJ 125kHz Key fob be reused or reprogrammed?

    Answer: Yes, the JYJ 125kHz EM4100 Key fob is designed to be reusable and can often be reprogrammed to work with different access control systems, depending on the reader capacity. This feature is particularly beneficial for businesses that may update or change their security protocols. The fob’s flexibility allows for a dynamic approach to access management, making it suitable for various scenarios, such as employee transitions and system upgrades.
  • Question: What is the range of the EM4100 Key fob?

    Answer: The communication range of the JYJ 125kHz EM4100 Key fob typically extends from a few centimeters to about 10 centimeters, depending on the RFID reader used. This limited range ensures that access is granted only when the key fob is physically present near the reader, which enhances security by minimizing the risk of unauthorized access. This feature is particularly useful in situations where precise access control is needed, such as in secure buildings or server rooms.
  • Question: What color is the JYJ Key fob available in?

    Answer: The JYJ 125kHz EM4100 Key fob is available in a sleek grey color, which not only gives it a modern look but also makes it easy to spot among typical keychains. The neutral tone is suitable for both corporate and personal use, ensuring it blends seamlessly with other key accessories. This aesthetic appeal, combined with practical functionality, makes the key fob a versatile choice for users looking for both style and security.
  • Question: How many key fobs are included in the package?

    Answer: The JYJ 125kHz EM4100 Key fob package includes 10 individual key fobs. This bulk offering is highly beneficial for businesses or organizations that need to issue multiple fobs for employees or members. This ensures that everyone has their own secure access without the need for individual purchases, simplifying the management of access credentials. It also allows for easy distribution and replacement when necessary, making it an efficient choice for any security setup.
  • Question: Is the JYJ Key fob water-resistant?

    Answer: The JYJ 125kHz EM4100 Key fob is designed with durability in mind, featuring a casing that offers resistance to water splashes. While it is not entirely waterproof, it can withstand minor exposure to water, making it suitable for everyday use in various environments, including outdoor installations. This resilience enhances its practicality, as users can confidently carry it without the fear of damage from accidental spills or light rain.
  • Question: What materials are used in the JYJ Key fob's construction?

    Answer: The JYJ 125kHz EM4100 Key fob is made from high-quality plastic, ensuring both durability and lightweight convenience. This material choice makes it resistant to wear and tear from daily handling while remaining portable. Such construction is ideal for users who appreciate both functional and aesthetic aspects in their access control solutions, as it allows for frequent use without compromising the device's integrity or performance.
  • Question: Where can I buy JYJ 125kHz EM4100 Key fob, RFID id Intelligent Security Access Key Chain Grey (10)?

    Answer: You can purchase the JYJ 125kHz EM4100 Key fob from Ubuy. This platform offers a wide selection of electronic products and ensures that you can find this specific key fob with ease. With its streamlined interface, Ubuy allows for convenient browsing and purchasing, making it an ideal choice for acquiring your RFID access key fobs efficiently. Explore Ubuy today to enhance your security solutions.

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Pros

  • Easy to recognize
  • Lightweight design
  • Multiple key fobs in a pack
  • Works with RFID systems

Cons

  • Limited durability reported by users.

Platform Trust & Buyer Confidence

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4.2/5 1561 reviews
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Paritosh
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“Quality, fit, and variety are all good. Very good quality, perfect fit, with a good variety in 70s Bellbottom jeans. Keep them coming.”

20-Jul-26 · via Trustpilot
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“Everything was well maintained and smooth . We can trust UBUY .”

23 July 2026 · via Trustpilot
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Jeeju
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“Product is nice. Well packaged and delivered promptly”

23 July 2026 · via Trustpilot
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neeraj
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“Product was delivered before time. At each steps remider given time to time ,product is also good and fruitful”

3 July 2026 · via Trustpilot
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siva
Verified buyer

“I received the product properly packed and without any damage. If you can provide a video showing how to assemble the parts, it would be a great help. Thanks & Regards, Siva Prakash.”

16-Jul-26 · via Trustpilot
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INR 1234

Order now and get it around Saturday, August 29

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Equipped with an EM4100 chip for enhanced security.
  • Unique ten digit code ensures individual identification.
  • Operates at a frequency of 125kHz for reliable data transmission.
  • Ideal for access control systems and library borrowing.
  • Read-only functionality for permanent storage of identity data.
  • Compact and convenient keychain design for easy carrying.

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