What Is An Em4102 Keytag?

The EM4102 keytag is a type of RFID (Radio Frequency Identification) tag that is widely used for access control and identification purposes. It operates at a frequency of 125 kHz and is designed to be read by RFID readers that are compatible with this frequency. The keytag is typically made of durable plastic and is small enough to be attached to a keychain, making it convenient for everyday use. The EM4102 keytag contains a unique identifier that is transmitted to the RFID reader when it comes within range. This identifier is usually a 10-digit hexadecimal number, which allows the system to recognize and authenticate the user. The simplicity and effectiveness of the EM4102 keytag have made it a popular choice for various applications, including access control systems in offices, schools, and residential buildings. One of the key advantages of using EM4102 keytags is their cost-effectiveness. They are relatively inexpensive to produce, which makes them an attractive option for organizations looking to implement RFID technology without incurring significant costs. Additionally, the passive nature of these tags means they do not require a battery, as they are powered by the electromagnetic field generated by the RFID reader. In summary, the EM4102 keytag is a reliable and efficient solution for identification and access control, making it a staple in many security systems. Its ease of use, affordability, and durability contribute to its widespread adoption across various industries.

How Does An Em4102 Keytag Work?

The operation of an EM4102 keytag is based on the principles of RFID technology. When the keytag is brought within the range of an RFID reader, the reader emits an electromagnetic field that powers the keytag. This field energizes the tag, allowing it to transmit its unique identifier back to the reader. The communication between the keytag and the reader is typically a one-way process. The keytag does not actively send signals; instead, it reflects the energy from the reader, which is then interpreted as data. The RFID reader captures the unique identifier from the keytag and processes it to determine whether access should be granted or denied based on the information stored in its database. One of the key features of the EM4102 keytag is its ability to operate without a battery. This passive design means that the keytag can last for many years without needing replacement, making it a low-maintenance option for users. The range of operation for EM4102 keytags is generally around 10 centimeters to 15 centimeters, depending on the power of the RFID reader and the environment in which it is used. In practical applications, the EM4102 keytag is often used in conjunction with access control systems. For example, when a user presents their keytag to a reader at a secure entry point, the system checks the identifier against its database. If the identifier is recognized and authorized, the system will unlock the door or grant access to the user. This process is quick and efficient, allowing for seamless entry while maintaining security.

Benefits Of Using Em4102 Keytags In Access Control Systems

EM4102 keytags offer numerous benefits when integrated into access control systems. One of the primary advantages is their cost-effectiveness. Compared to other RFID solutions, EM4102 keytags are relatively inexpensive, making them an ideal choice for organizations looking to implement a secure access control system without breaking the bank. Another significant benefit is their durability. Made from robust materials, EM4102 keytags can withstand daily wear and tear, making them suitable for various environments. Whether used in an office, school, or industrial setting, these keytags are designed to last, reducing the need for frequent replacements. Additionally, EM4102 keytags are easy to use. Users simply need to present their keytag to the RFID reader, and access is granted almost instantaneously. This ease of use enhances the user experience and encourages compliance with security protocols. Moreover, the passive nature of EM4102 keytags means they do not require batteries, which further reduces maintenance costs. Users do not have to worry about replacing batteries or dealing with dead tags, making the system more reliable and user-friendly. Finally, EM4102 keytags can be easily integrated into existing access control systems. Many RFID readers are compatible with these keytags, allowing organizations to upgrade their security measures without overhauling their entire system. This flexibility makes EM4102 keytags a practical choice for businesses looking to enhance their security infrastructure.

Common Applications Of Em4102 Keytags

EM4102 keytags are utilized in a wide range of applications due to their versatility and reliability. One of the most common uses is in access control systems, where they serve as identification tools for employees, students, or residents. By simply presenting the keytag to an RFID reader, users can gain access to secure areas, such as office buildings, schools, or gated communities. Another significant application is in time and attendance tracking systems. Organizations can use EM4102 keytags to monitor employee attendance by requiring staff to scan their keytags upon arrival and departure. This method streamlines the attendance process and reduces the likelihood of errors associated with manual tracking. EM4102 keytags are also employed in loyalty programs and membership systems. Businesses can issue keytags to customers, allowing them to easily access their accounts and earn rewards. This not only enhances customer engagement but also simplifies the process of tracking purchases and rewards. In addition, EM4102 keytags can be used in inventory management systems. By attaching keytags to products or assets, businesses can easily track their inventory levels and movements. This application helps organizations maintain accurate records and optimize their supply chain processes. Overall, the versatility of EM4102 keytags makes them suitable for various applications across different industries, enhancing security, efficiency, and user experience.

about em4102 keytag

Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities

em4102 keytag7 factories verified

Idtrack Tech Co., Ltd

Main Products:

Thermal Printable Wristband, RFID Sticker and Labels, Fabric Wristbands, Packing Box, Wooden Box, Leather Box, EAS Labels and Tags, 8.2MHz RF Stickers, 58kHz Tags, Training Equiptment

Country/Region:

Shandong, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

IDtrack tech is a hi-tech company which is specialized in RFID products and IoT information system. IDtrack has imported advanced machines to build up production line for smart card and RFID tags. With many years development, our company can provide customers with one-stop service including antenna design, product design, manufacturing and chip personalization. Also, our products are widely used in event management, supply chain, asset tracking, library management, apparel and retail etc. Our main products including RFID cards, NFC tags, stickers, garment tags, EAS labels, seal tags, inlay sheets, thermal wristbands, silicon wristbands and park tickets. The tech-team not only help customers to do product design and sample testing but also support system development. IDtrack keeps improving production technology and workshop management system. In 2016, our factory were approved by ISO 9001: 2008 and ISO14001: 2004 management system. We have 6 proudction line, which makes our production speed very fast, usually our lead time is 2 weeks, and if customer needs products urgently we give service of one week delivery. We try our best to give customer the best quality products, the fast delivery and the best price. All our products will be tested before sending, once customer not satisfy after receiving their goods, we support full money refund.

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125kHz Lf Em4305 Em4102 RFID Keychain Keyfob Key Fob Tag for Access Control RFID Keychain

US$0.10-0.12

1,000 Pieces(MOQ)

1/4

Techcrepower Technologies Limited

5.0

Main Products:

Soft Magnetic Eyelashes, Hard Magnetic Eyelashes, Beauty Makeup, Eyelashes Extension, Self Adhesive Lashes, Strip Lashes Glue, Full Lashes, Half Lashes, Cluster Lashes, Eyelashes Tool

Country/Region:

Guangdong, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

Techcrepower Technologies Limited is specializing in the production and sales of eyelashes for 18 years, covering an area of approximately 5, 000 square meters, with 12 production lines and 150 employees. We have a professional R&D and design team, providing professional designs and a wide variety of styles to meet the needs of all kinds of people. ??

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M1 S50 Low Price Customized 13.56MHz Access Control RFID Keytag

Negotiable

50 Pieces(MOQ)

Legic MIM 256 Ab0022-Bw High Quality Customized 13.56MHz Access Control RFID Keytag

Negotiable

50 Pieces(MOQ)

M1 S50 Low Price Customized 13.56MHz Access Control RFID Keytag

Negotiable

50 Pieces(MOQ)

13.56MHz Smart RFID Keyfob Keytag for Access Control System

Negotiable

50 Pieces(MOQ)

1/4

S4A Industrial Co., Limited

5.0

Main Products:

Access Control, Electromagnetic Lock, UHF Long Range Reader, RFID Access Control, Em Lock, Automatic Swing Door Opener, Frameless Bolt Lock, Glass Door Lock, Power Supply Controller, Access Exit Push Button

Country/Region:

Guangdong, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

S4A Industrial Co., Limited is the Leader in the Access controller field in Shenzhen, China since 2006, We offer complete access control units and accessories, OEM & ODM are acceptable according to your request.

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DIY ID IC Plastic Key Tag 125kHz 13.56MHz Proximity RFID Keyfob

US$0.10-0.40

1 Piece(MOQ)

1/4

Shenzhen A. N. G Technology Co., Ltd.

5.0

Main Products:

Smart Card, RFID Card, RFID Tag, NFC Tag, RFID Sticker, RFID Keyfob, RFID Wristband, RFID Blocking Card, RFID Reader, NFC Reader

Country/Region:

Guangdong, China

R&D Capacity:

OEM Service

Sample Service:

Sample Available

Company Profile:

Shenzhen ANG Technology Ltd is a collection research and development, production, sales in the integration of RFID high-tech innovative company. We have a rich experience, strong technical ability of research and development, production and management team.

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1/4

Shenzhen Dwell Electronics Co., Limited

Main Products:

Access Control, Access Control Reader, Access Controller, Smart Card Reader, RFID Card Reader, RFID Reader, Single Door Access Controller, Standalone Access Controller, Lock, Access Control Card Reader

Country/Region:

Guangdong, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

Dwell Electronics Co., Limited(Also name Shenzhen Dwell Electronics Co., Limited) was established in 2000, located in Shenzhen, Guangdong, China.

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Quality Assurance Em ID Keyfobs RFID Tag Key Card 125kHz Proximity Token Access Control Attendance

US$0.65-0.85

1 Piece(MOQ)

1/4

Shenzhen Jianhe Smartcard Technology Co., Ltd

22 yrs ·4.7

·Manufacturer/Factory & Trading Company

Main Products:

Smart Card, RFID Card/Tags, Card Reader

Country/Region:

Guangdong, China

R&D Capacity:

OEM/ODM Service

Sample Service:

Sample Available

Company Profile:

Shenzhen JianHe Smart card Technology Co., Ltd was founded in 2004. As the only Honored and certified China National Hi-Tech Enterprise for smart card industry, jianhe is offering a complete range of card solutions such as magnetic cards, barcode cards, VIP cards, membership cards, gift cards, portrait cards, contact IC cards, CPU cards, RFID cards, blank cards, visual cards, RF Inlay, HF/UHF inlay, label, UHF label, E-label, smart seal, anti-tamper label, library label, and windshield label, etc, half-products like inlay and card related readers and printers, which have been widely used in Hotel Access, Access control, time&attendance, Parking system, Transportation, telecommunication, education, finance, social security, tourism, shopping malls, commerce, tax, enterprise All-in-one card system, etc.

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