Защитна стена ZyXEL USG20W-VPN Firewall, 802.11ac/n Wireless (3x3/80MHz), 10x VPN (IPSec/L2TP), up to 15 SSL (5 included), 1x WAN, 1x SFP, 4x LAN/DMZ, 1x USB port, Optional: Content Filtering, Antispam (licenses)