here's my situation. I have dsl modem/roouter located in a room on one corner of the house. I need to boost the wifi signal so that my wifi thermostat at the far other end of the house can see it. I want to install a router in the closet located in the center of the house basically as an access point to wifi. so I can be connected in all rooms with excellent signal strength. How do I do this? Do i need to connect the 2 with cat 5 cable?