The contactless key fobs are available with different ICs and various optional features such as different colours, code printing and more.

Key Fob

Chip Types: Atmel series, EM series, Hitag series, I-code series, MIFARE series
Dimensions (LxWxH): 30mm x 37mm x 6.5mm / 1.18inch x 1.46inch x 0.26inch

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