1 Have double indicator light
2 Good compatibility musical ring tone buttons
3 Equipped with highly secure PIN shield

1. The indicator light: Have double indicator light; The green light: please enter the password, the red light: please input again.

2. The button ring ring is sweet: When you press a button, button ring ring tones chirping 1, Reminder has buttons .

4. Voice prompt: generally has two paragraphs : first, please enter the password, second please input again.

4. Software download: through a serial port download upgrade password keyboard, don't need to open the enclosure.

5. Interface adaptive: automatically adapts to identify with serial port, do not need to be automatic connection Settings.

6. Can provide interface: can provide RS232 and TTL port, U port,  and 485 interface of HID.

7. Perfect compatibility : can connect any kinds of terminals,such as,guoguang,shida,GreatWall,mudan,huizhi,juxing,haiwei,newsun,changlin,new mainland,ronghe,lenovo,zijing,keyan,qitong and so on.

8. Encryption module: can provide all kinds of 3DES or single DES, software and hardware encryption method.

9. Baud rate option: can choose 9600 baud rate and 1200 baud rate.

10. Command options: code switch can choose by dial sets of command.

11. Evaluation module with three evaluation buttons :satisfaction, generally, dissatisfaction.

we have many kinds of products for you to choose such as 512C,512CD[512c]

512K,512B,512U[512k