RFID Tag, 125kHz (EM4100/TK4100)

About this product

Read-only 125kHz RFID keyfob tag using the EM4100/TK4100 chip, factory-programmed with a fixed unique ID. Suited for access control, attendance systems, and basic identification projects with 125kHz readers.

Resistors, capacitors, transistors, diodes, ICs, connectors, wires and discrete components for any bench.

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Specifications

Chip

EM4100/TK4100 (125kHz)

Memory

64-bit read-only

Form Factor

Keyfob, ABS plastic

Dimensions

~35x29mm

Read Range

6-20cm (reader dependent)