Amazon.com: Industrial 4G LTE WiFi Router for AT&T and T-Mobile SIM Card, Not for Verizon, Cellular VPN Routers Internet Backup, M2M Gateway RS232 Modem, for Vehicle Fleet RV Camera Security System Automation :
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
M2M LTE CAT.4 ROUTER - WM Systems LLC - M2M / IoT Communication Solutions
M2M Specialist 4G LTE Mobile Router MAX BR1 M2M- Peplink