Time and attendance system components of a GPRS 
 N + X platform cards time clocks (GPRS communication) + 1 computer (Internet access) + + data acquisition software attendance management software. 
 II Features 
 1. GPRS communications, real-time data upload, statistical reports more convenient. 
 2. Attendance time synchronization with the data server, no need to adjust the time. 
 3. GPRS base cost. Monthly pay only the company's GPRS mobile traffic charges. (<= 10 yuan / month) 
 4. Network using client-side storage after the interruption, restore the network automatically after the upload time attendance attendance data. 
 5. Large storage capacity, the maximum can be stored 20000 
 6. Three lines character display, can display the job number, name and so forth, you can also live a bit software defined