[0] https://www.gl-inet.com/products/gl-ar750s/
https://openwrt.org/toh/gl.inet/gl-ar750
[1] https://www.gl-inet.com/products/gl-ar300m/
https://openwrt.org/toh/gl.inet/gl.inet_gl-ar300m
I have two of them, and use one as a Wi-Fi client/NAT/VPN gateway/ad blocker when I’m at customers and some hotels.
Setup is pretty trivial, you can do a lot with LuCI and the OpenWRT packages.
[0] https://www.gl-inet.com/products/gl-ar750s/
https://openwrt.org/toh/gl.inet/gl-ar750
[1] https://www.gl-inet.com/products/gl-ar300m/
https://openwrt.org/toh/gl.inet/gl.inet_gl-ar300m