... all existing Wiegand protocol access control systems3) MF reader introduction: MF smart card reader utilizes Mifare technology to read MF contactless smart ... , vending, toll roads, airline ticketing, banking cards, city cards, ID cards, university cards, phone cards, park and ride cards, and ... ) MF: 7-12V DC at 100mA2) Reading range:a) EM: safe reading range for 7cm with standard H4100 cardb) MF: safe ...