Got one of these to try out with Pia Vpn download speed takes a big hit but works great
Home page herePHP Code:
https://www.amazon.co.uk/gp/product/B073TSK26W/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
I reviewer on amazon says Nord Ovpn works on the GL.iNet GL-AR300M versionPHP Code:
https://www.gl-inet.com/products/