... .125khz/13.56mhz 3.Silk screen custom design printable RFID key tag We offer RFID keyfob in different standard colors (black, blue, green ... )dark green)6,AB33: (Color: black) The AB series RFID Keyfob tag It is a more convenient and fashion solution for the ... we provide our partners the different customization technics on the tag. RFID key fob IC feature-125KHZ chips: EM4102,EM4200,EM4550,T5577 ...