说明：  RF系列非接触式IC卡读写器是深圳明华公司研制的非接触卡读写设备，它由主机、天线、串行接口等组成，通过RS232串行接口能实现同PC机的连接。随机提供的接口函数库可满足用户二次开发的需要；其完善、可靠的接口函数，支持访问射频卡的全部功能。目前该设备已广泛地应用于门禁、考勤及高速公路、油站、停车场、公交等收费系统中。
(RF series of non-contact IC card reader Shenzhen Minghua company developed a non-contact card reader device, which consists of the host, antenna, serial interface, etc., through the RS232 serial interface can connect with a PC. Interface function library supplied to meet the development needs of secondary users its perfect, reliable interface functions, RF card supports access full functionality. At present, the device has been widely used in access control, time and attendance and highways, petrol stations, car parks, bus and other charges system.)