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: KuWFi 4G Router with SIM Card Slot Unlocked, 1200Mbps LTE Router Dual Band Gigabit Cellular Router with External Antenna, EC25-AF Module Support DDNS/VPN/QoS, Up to 64 Users[with 1G LTE Data SIM
Proxicast: EtherLINQ 4G/LTE SIM Router with WiFi, VPN, Firewall