Ethernet WAN Yes , 3G/4G USB modem compatibility Yes , SFP WAN Yes , 7xEthernet LAN (RJ-45) ports , 2xSFP module slots quantity , 1xNumber of console ports , DHCP server Yes , Security algorithms 128-bit AES/192-bit AES/256-bit AES/DES/MD5/SHA-1/SHA-2/SHA-384/SHA-512 , 80xVPN tunnels quantity , Internal memory 1024 MB , Colour Black , AC input voltage 100 - 240 V , Operating temperature (T-T) 0 - 45 °C