Amazon.com: ZyXEL ZyWALL 1.6 Gbps VPN Firewall, recommended for up to 100 users [ZYWALL110] : Electronics
ZyXEL P-334WT EXTENDER WIFI WIRELESS ROUTER VPN FIREWALL SWITCH USB MIMO NEW | eBay
Zyxel VPN Firewall 2S | Techinn
Amazon.com: Zyxel ZyWALL 1.5 Gbps VPN Firewall Device, 2 WAN Router, load balancing, recommended for up to 10 users, 3G/4G LTE support [VPN2S] : Electronics