SPECIAL ORDER ITEM. This is a special order item. One of our sales experts will call you before processing your order, in order to set up the special site code and access card numbering included with this product. This printable HID ISOProx II Card provides sequential matching internal/external card numbering. The ISOProx II has a 2.5″ to 20″ read range, 125 kHz transmit frequency and provides two convenient card slot options: vertical or horizontal. Minimum order quantity on this product is 100 pieces.