Amazon.com: GL.iNet GL-MT300N-V2(Mango) Portable Mini Travel Wireless Pocket VPN Router - WiFi Router/Access Point/Extender/WDS | OpenWrt | 2 x Ethernet Ports | OpenVPN/Wireguard VPN | USB 2.0 Port | 128MB RAM :
Incoming Connection to VPN-Router over Main-Router - Network and Wireless Configuration - OpenWrt Forum
GL.iNet GL-AR750S-EXT (Slate) and using a WISP repeater review - The Gadgeteer
Amazon.com: GL.iNet GL-MT1300 (Beryl) VPN Wireless Little Travel Router – Connect to Hotel WiFi & Captive Portal, USB 3.0, 3 Gigabit Ports, Range Extender, Assess Point, Pocket-Sized, MicroSD Slot, Easy to Setup :
Source GL-inet portable 3g usb modem wifi router for buses on m.alibaba.com
Slate WiFi 6 AXT1800 VPN Travel Router by FlashRouters