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: D-Link DWM-311-B1, 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge, Best for M2M Applications, Supports OpenVPN, Optional Enterprise Service Platform, Works on Verizon or AT&T : Electronics
Amazon.com: NETGEAR 4G LTE Modem – Instant Broadband Connection | Supports Power over Ethernet | works with AT&T and alternate carriers (LB1121) : Electronics
M2M Industrial Cellular 3G 4G LTE Modem Router with Ethernet Vpn Wifi Sim Card Slot Serial rs232 rs485 Port - AliExpress
4G LTE Modem Wireless Router USB Dongle Mobile Broadband WIFI SIM Card USA | eBay