Global Version 4G M2M Routers Cellular| Alibaba.com
Amazon.com: D-Link 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 (DWM-311-B1) : Electronics
DWM-312 4G LTE M2M Router | D-Link
M2M Industrial Cellular 3G 4G LTE Modem Router with Ethernet Vpn Wifi Sim Card Slot Serial rs232 rs485 Port - AliExpress
DWM-312 4G LTE M2M Router | D-Link
USR G806-G M2M Routers with Global Bands | IOTNVR US