Dual-WAN & Built-in LTE Load Balancing VPN Router Vigor2925 LTE Series is a firewall router that features all the specification as Vigor2925 LTE Series, but builds in a 3G/4G/LTE modem that works with a stand size SIM card, this provides the router wireless Internet connectivity without the need of an external USB modem. Like Vigor2925 LTE Series, it has two Gigabit Ethernet WAN ports which can be used for load balancing or failover. If you have another SIM card, the USB port can also be used with a 3G/4G/LTE USB modem to add extra Internet connectivity. Vigor2925 LTE Series offers features including VPN, Firewall, Content Filtering, and Central Management Solution for Vigor access points and switches, which makes it the perfect solution for a small-medium business.