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125KHz EM4100 Silicone RFID Wristbands, Adjustable Black Bracelets, 2Pack

Standard 125KHz ID Chip Compatibility: Features a normal 125KHz ID chip (EM4100), not an HID chip, therefore it cannot work with HID readers
EM4100 Chip Technology: Equipped with EM4100 chip operating at 125KHz frequency for reliable identification and access control applications
Read-Only Functionality: This wristband is read-only and cannot be rewritten or reprogrammed, ensuring permanent data storage for security purposes
Durable Silicone Construction: Made from high-quality silicone material in black color with white square design for comfortable all-day wear
Adjustable Size Design: Features an adjustable band that can be resized to fit various wrist sizes comfortably and securely
Package Contents: Includes 2 pieces of black RFID wristbands with EM4100 chip for access control and identification needs

Overview

Specs

Reviews

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1.EM4100 Chip

2.125khz

3.Black wristbands with white square

4.silicone material

5.read only,can't rewritable,not writable

6.adjustable size

7.can't work with HID reader.can't rewritable,just read only,not 13.56mhz.

Additional Information
First Listed on Newegg	September 16, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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