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 :
GL.iNet GL-E750 (Mudi) 4G LTE OpenWrt VPN Router, T-Mobile Only, 128GB Max MicroSD, 7000mAh Battery, OpenVPN, WireGuard, Tor, Router that You can Program (EC25-AFFA Module), North America Only - Walmart.com
Amazon.com: 【Upgrade】LINOVISION Industrial Unlocked 4G LTE Router for AT&T and T-Mobile, Support WiFi, Dual SIM Cards, RS485 and DI/DO, Secure VPN Access, Cloud Management, Cellular Router for M2M/IOT Application : Electronics
Serial Port Industrial Cellular Router-PUSR IOT
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