... , password, camera function, of which functions can be chosen to combine freely. Multi-network communication: RJ45 Ethernet, RS232, ... RS485, GPRS/CDMA wireless WIFI. ·Support the real-time transfer of the time & attendance data, using steady internet ... 8 programmable function keys·Communication: RS232, RS485, TCP/IP, USB Host·Options: WIFI, GPRS, Mifare, HID, ...