Proxicast: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall
4G LTE Wireless Modem Router, 300Mbps Unlocked Mobile WiFi Hotspot Router, 4 High Gain Antennas, with SIM Card Slot, for Home and Office Use (US Plug) - Newegg.com
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