Is it possible to hookup a wireless router to a laptop so able to use a remote aRFU app?

Short answer, Yes. The right router type must selected von different vendors, depending on the room size you work and if you need one with a build in DHCP server. I'm using some cheap TP-Link routers.

Short answer, Yes. The right router type must selected von different vendors, depending on the room size you work and if you need one with a build in DHCP server. I'm using some cheap TP-Link routers.