HAA2866/TAG is a 125 kHz RFID proximity EM card designed for access control applications. It can be read by the standard EM card readers. The card has the standard thickness of 1.9 mm (1/16"). The card is suitable for Wiegand readers and Wiegand data output. ABS plastic material which strong and flexible for resistance to cracking and breaking with EM chip for: HAA2866 HAA2890 MK179 VM179 Specifications dimensions: 3.4" x 2.1" x 0.07" code: 64 bit function: read only operation frequency: 125 kHz