The Sierra Wireless AirLink ES450 cellular gateway for Sprint, is a small form factor modem with one (1) Ethernet, one (1) serial port, and one (1) USB functionality. This model supports the Verizon XLTE network, and will "fall back" if the XLTE network is unavailable. RF antenna connectivity is available through 2 SMA plugs. Power is delivered via the included AC wall adapter.The ES450 family of 4G XLTE enterprise gateway modems…The Sierra Wireless AirLink ES450 cellular gateway for Sprint, is a small form factor modem with one (1) Ethernet, one (1) serial port, and one (1) USB functionality. This model supports the Verizon XLTE network, and will "fall back" if the XLTE network is unavailable. RF antenna connectivity is available through 2 SMA plugs. Power is delivered via the included AC wall adapter.The ES450 family of 4G XLTE enterprise gateway modems allows IT administrators remote availability to their routing infrastructure via direct serial connection. With the built-in terminal server the ES450 will be able to reboot, configure and update your network infrastructure via reverse TELNET and SSH protocols. Now, remote personnel will no longer need to manually reset network equipment and IT administrators can reduce the amount of site visits.Designed for disaster recovery and remote administration by providing reliable 4G XLTE connectivity, remote access to networking equipment and leverages your router's instant failover and firewall features. AirLink management service can be added to enable hosted services where you can manage firmware, embedded applications and airtime subscriptions remotely (sku: 515382). An additional 2 yr warranty can be added at time of purchase by using (sku: 508525). Read More