Amazon.com: D-Link 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge, Best for M2M Applications, Supports OpenVPN, Optional Enterprise Service Platform, Works on Verizon or AT&T (DWM-311-B1) : Electronics
Buy 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-AF Module, North America only Online at Lowest
Digi IX20 4G LTE router | Digi International
PLC Remote Access with OpenVPN Client and multiple PLCs Sharing same IPs/Subnets - Network and Wireless Configuration - OpenWrt Forum
Teltonika new RUT241 *2th Gen chips it's much Faster as RUT240 Series