RFID keyfob is the extension products of normal ISO card, which is designed for easy carry by person.

GYRFID presents various keyfobs to fit different customer’s demands.

Features:
Model number: KEC50
Material: PC+metal
Housing: Ultrasonic Welding
Color options: Black
Operating Temperature: -20C ~ +55C
Storage Temperature: -25C ~ +60C

RFID ICs Support:
125KHz RFID: EM4102, EM4100, GK4001; EM4550, EM4069; T5577; Hitag1, Hitag2, Hitag S..

View more at http://www.1888pressrelease.com/13-56mhz-mifare-keyfobs-made-of-metal-gyrfid-pr-551903.html