EG-02 ISO-Standard proximity card DESCRIPTIONS - The proximity card are totally sealed and do not require any maintenance. - Each card is unique, it cannot be duplicated. - If a card is lost or stolen, it can easily be deleted from the system. - Can be printed directly from card printer. SPECIFICATIONS - Read range：25cm - Operating frequency：125KHz - Color：white - Dimensions：86(L)x55(W)x9(D)mm - IC internal contains 64 bytes read-only Manchester code.