1、 With two high security confidential memory area where can save secret keys: E2ROM (RD11) and PSAM (RD1S,the absolute security type), to prevent the problem of secret keys saved on PC hard disk easily being cracked and makes possible for offline operation.
2、 Built-in high performance 13.56M RF module; Valid distance: 3-5cm 
3、 High reading/writing speed, no need to plug-in/out design which reduce the card's wear and improve transaction speed 
4、 Four-layer circuit design, double surface mounting, excellent EMC performance
5、 Offer free DLL and Demo software for program development
6、 With LED and buzzer signals, easy to control by external PC.
7、 Support RS232/USB interface
8、 RD11 or RD1S models meet ISO14443A standard and fully support Mifare S50,S70, and compatible non-contact IC card