networking - connect wireless router to 4g modem /router - Super User
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
Amazon.com: Wiflyer WG3526 4G LTE Router | AC1200Mbps Dual Band CAT4 Wireless Router with Metal Case and Detachable 6×5dBi Antennas| Gigabit Ethernet with TF Card Slot & USB3.0 Port & SIM Card