Ethernet WAN Yes | 3G/4G USB modem compatibility Yes | SFP WAN Yes | 5xEthernet LAN (RJ-45) 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 | 50xVPN tunnels quantity | Internal memory 512 MB | Colour Black | AC input voltage 100 - 240 V | Operating temperature (T-T) 0 - 50 °C