Universal card reader

The utility model discloses an all-purpose card reader, namely a non-contact IC card reader which is a novel peripheral device collaborated with standard computer. The utility model provides two operation modes with serial port and USB port to satisfy demands of different users, especially in locations with a large population flow. By adjusting the elements and the structure parameter of the card chip and the antenna unit, the reliability of card reading is highly improved. The utility model comprises a special communication cables and ports, a CPU unit (5), a reset circuit (6) and a card reading unit. The utility model has the characteristics that the special communication cables are a USB cable (1) and a special 232 serial port (2); that the special ports are 232 ports (30) and a USB port (4); and that the card reading unit consists of peripheral elements of the carding reading chip (7) and an antenna (8).