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 :
Amazon.com: Wiflyer WG3526 4G LTE Router | AC1200Mbps Dual Band CAT4 Wireless Router with Metal Case and Detachable 6×5dBi Antennas| Gigabit Ethernet with TF Card Slot & USB3.0 Port & SIM Card
Amazon.com: DO 300Mbps 4G LTE Modem Wi-Fi Wireless Router for RV or Mobile Home with Strong Signal, USB Port and SIM Card Slot with External Antennas for USA/Canada/Mexico SIM Card : Electronics
LINOVISION Rugged and Versatile Cellular Router & 4G DTU with RS232, Industrial 4G LTE WiFi Router with Dual SIM Cards Slot | LINOVISION US Store
Amazon.com: KuWFi 4G Router with SIM Card Slot Unlocked, 1200Mbps LTE Router Dual Band Gigabit Cellular Router with External Antenna, EC25-AF Module Support DDNS/VPN/QoS, Up to 64 Users[with 1G LTE Data SIM
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
LINOVISION Industrial 5G Cellular Router with Dual 5G SIM Cards and RS232/485 IoT Integration,Gigabit Ethernet, WiFi 5G/4G and GPS | LINOVISION US Store