Proxicast: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall
4G LTE Cat6 Routers with Carrier Aggregation – Taktikalnetwork.com
Amazon.com: NETGEAR 4G LTE Broadband Modem (LM1200) – Use LTE as a Primary Internet Connection or Failover Solution for Always-On WiFi Certified with AT&T, T-Mobile and Verizon : Electronics
Accelerated Digi 6310-DX LTE Router
200Mbps Dual-WAN Router with 4G LTE Balance 30 LTE- Peplink
The LTE Failover Appliance | Lanner
The LTE Failover Appliance | Lanner
Amazon.com: CSG m106 LTE Gateway Router, Verizon 4G LTE Router, Built-in Failover and Hours of Backup Battery Power : Electronics