RhombusMF501 series and RhombusMF502 series readers, specially designed for access user, is a kind of reader with 3x4 keypad. It is wiegand output format, supports Mifare 1 compatible IC card and has many colors of shells for user’s choice.
　　 Keeping high stability, high consistency and high sensibility, RhombusMF501 series and RhombusMF502 series readers also are designed to strengthen the reader’s protection because of wrong connection of power supply or data line.

Need more information, please refer to “Product Exhibition”.