Proxicast: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall
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: WiFi Modem Dongle, 4G LTE WiFi Modem, WiFi Modem Dongle with SIM Card Slot, TDD FDD GSM Car WiFi Mini Wireless Router with LED Status Indicator, Up to 10 Associated Users
Router 4g 3g Modem With SIM Card Slot Access Point Openwrt 128MB For Car/Bus 12V GSM 4G LTE USB Router Wireless WE826-T2 - Newegg.com