Hi all,  I recently set up a wifi modem in my new rental. Works perfectly, however, due to some solid cement walls and a corenered staircase to upstairs, we can't get wifi connection in the upstairs main bedroom.  I'm thinking about potentiall using an existing nbn port and running a phone cable up the staircase to the upstairs foyer. An extender would not work as all of upstairs cannot get a signal.    Would using a secondary modem work or do I need to manually connect the existing modem to the second one through a phone cable? Do I need to contact TPG directly to do this for me? Don't want to be spending more money than I have to.. ... View more