EM4100 fob

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The EM4100 fob is a simple and reliable option for access control and identification applications. Its small size, contactless operation, and low cost make it a popular choice for many organizations.


EM4100 fob is a type of 125khz RFID Tags that is commonly used for access control, identification, and security applications. Here are some of its features:

Small Size: The EM4100 fob is small and portable, making it easy to carry in your pocket, or purse, or attach to keychain.

Contactless: The fob works without any physical contact with the reader. It uses radio frequency signals to communicate with the reader, which allows for quick and convenient access.

Low-Cost: The EM4100 fob is an inexpensive option for access control and identification applications, making it an affordable solution for many organizations.

Reliable: The fob is known for its reliability and durability. It is designed to withstand wear and tear, and can operate in harsh environments.

Unique ID: Each EM4100 fob has a unique identification number, which ensures that each fob is unique and can be easily identified.

Easy to Use: The fob is very easy to use. You simply hold it up to the reader and the reader will quickly and automatically recognize the fob’s unique ID number.

EM4100 fob Technical Specifications

Frequency Range 125 kHz/EM4100
Size 3.38″ x 2.12″ x 0.02″ (86Lx54Wx0.8H mm)
Material ABS
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