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
Amazon.com: 4G LTE Router with SIM Card Slot 300Mbps Unlocked Wireless Mobile WiFi Hotspot Routers with 4pcs Non-Detachable Antennas for B2/B4/B5/B12/B13/B17/B18/B25/B26, 4G Router with Sim Card Slot : Electronics
4g Router Sim Card Slot Wan | Tenda Outdoor Wifi Router | Dual Wan Wireless Routers - 4g - Aliexpress
4 G LTE WiFi Wireless Router - Temco Controls Ltd.