Sierra Wireless AirLink ES450 Enterprise 4G LTE Gateway and Terminal Server - 1102383 - AC - Verizon Use Only Full featured LTE gateway and terminal server for both primary and failover connectivity on Verizon network State of the art 4G LTE coverage spanning 11 LTE frequency bands Cellular out of band management for remotely troubleshooting and restoring enterprise IT equipment Up to 5 VPN tunnels to support secure communications over cellular networks Industry leading 3 year warranty, including free software maintenance and accelerated hardware replacement