The token complies with 15693 ISO standards for smart card technology and operates at 13.56 MHz It works with the R10, R40, and RK40 iCLASS Readers. The token is Wiegand 26-bit and 2K (256 Byte) with two application areas. It is made of black plastic and attaches to a key chain. It is programmed and has inkjet matching numbers. Each package contains ten tokens.