Digi TransPort WR11-M600-DE1-XB Secure 4G LTE Router (WR11 XT), Single Ethernet, North America - Peak Technologies
M2m Industrial Cellular 3g 4g Lte Modem Router With Ethernet Vpn Wifi Sim Card Slot Serial Rs232 Rs485 Port - 3g/4g Routers - AliExpress
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,Black : Electronics
InHand InRouter615-S LTE Router | Westward Sales
InRouter301 | LTE Cellular Routers | Router with Serial Port – InHand Networks
Industrial Grade Cellular 4G LTE Modem Router with Support Ethernet Vpn Wifi Sim Card Slot Serial rs232/rs485 Port - AliExpress