A:AnswerGenerally yes they would be next to each other. They at least have to be in the same room, unless you are running very long cables. Mine are right next to each other, on the floor in my living room.
A:AnswerReally depends on placement and walls and number of stories etc.
Works great in a large 2 bedroom apartment but I added a lower priced range extender because I I have many devices connected including security system with 2 WiFi cams
Great router for price