Amazon.com: 4G VPN Router, Industrial Dual Sim 4G LTE WiFi Router 3G/4G Yeacomm YF325 Wireless Modem Router Unlocked with Sim Card Slot, External Antenna Cellular Modem in North/South America, NOT for Verizon :
Proxicast: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall
Industrial Cellular Routers for Rugged, Outdoor, Demanding Applications | Digi International
Industrial 4G LTE cellular router supports virtual SIM and physical SI | LINOVISION US Store
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 :