Retail Broadband Router with Failover by Pronto Networks
How Failover/Failback Function Works?
Amazon.com: CSG m106 LTE Gateway Router, Verizon 4G LTE Router, Built-in Failover and Hours of Backup Battery Power : Electronics
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