Source GL-inet portable 3g usb modem wifi router for buses on m.alibaba.com
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 :
GL-MT1300 / Beryl - GL.iNet
Amazon.com: GL.iNet GL-AR300M16-Ext Portable Mini Travel Wireless Pocket Router - WiFi Router/Access Point/Extender/WDS | OpenWrt | 2 x Ethernet Ports | OpenVPN/Wireguard VPN | USB 2.0 Port : Electronics