S-D01 is a delicate and compact NFC desktop card reader that supports international standard protocols ISO14443A and ISO15693. It can be connected to PC and related devices through USB interface or RS232 interface. The secondary development package SDK and demonstration software are provided randomly to achieve fast read and write processing of electronic tags, making installation and deployment convenient. It can be widely used in various radio frequency identification systems such as personal identification, conference sign-in system, access control system, anti-counterfeiting system, and production process Control.