You do what now? Yes you can use a 5G connection with it, I don’t believe it has a modem which is what I think you need to replace. Most likely you’d have to call your ISP and register a new modem anyway Sierra Wireless Cradle point Etc. Probably something you’d have to be on a business account to do though. I would buy a cheap 5G Android phone and Root and Magisk then dialup using tether in openwrt