How many users are on your network ?
1-25
25-50
50-75

Number of site to site VPN tunnels ?
0-5
5-10
10-15

Number of remote VPN client connections needed?
0-5
5-10
10-15

Select the options you need for your firewall :
Wireless User Access
Hardware Failover
3G or Analog Modem Failover
Gigabit - Fast Ethernet 10/100/1000 Mbps