Yes should be in Networking.
That said - use
http://www.metageek.net/products/inssider to check the RF environment and find the clearest channel.
If WiFi still won't perform well enough have a read up on HomePlug technology - 85Mbps units would just cover you on 20Mbps BB but 200Mbps units would give you some headroom should you later upgrade to 50Mbps.
The best solution would be a straightforward wired connection.