LINOVISION Rugged and Versatile Cellular Router & 4G DTU with RS232, Industrial 4G LTE WiFi Router with Dual SIM Cards Slot | LINOVISION US Store
E5576 Equivalent 4G LTE 4G Mobile Wi-Fi Mifi Router with sim card slot - 6 hour battery - GeeWiz
ioGiant 4G LTE Mobile Wi-Fi Router | SIM Slot Unlocked | UK Plug
Amazon.com: KuWFi 4G LTE Router with SIM Card Slot, Unlocked 4G WiFi Router with External Antennas, Industrial Wireless CPE Internet Routers for Home/Office, Work with AT&T and T-Mobile : Electronics