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 :
4G LTE-A Cat12 Pro Unlocked Dual-Band OpenWRT Sim Card Router with 3X – Taktikalnetwork.com
KuWFi Waterproof Outdoor 4G LTE CPE SIM Card WiFi Router 150Mbps CAT4 SIM LTE Routers Work with IP Camera or Outside WiFi Coverage with 2pcs Antenna O
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
Unlocked 3G Modem LTE 4G Wifi Router With SIM Card Slot Portable Mobile Hotspot | eBay