SC203 is a network-based RF card access control machine developed by CCC Intelligence. It has built-in Linux operating system, uses 32-bit processor, standard ICP/IP protocol communication, professional configuration, and uses special induction card debugged by radio frequency communication PSK and encrypted function to check identity. In order to ensure security performance, SC203 can be more reliable than general security. In management, SC203 can use built-in backing. Optical LCD screen and backlight keyboard can be operated offline. The machine itself can store comparison records. It can also manage the operating system by computer. RS232 and RS485 are used to communicate. The quality is internationally certified. High performance, excellent quality, reliability and stability are the best choice for users.