It depends on a few factors.
-What is your Max download speed from your ISP?
-How many devices are sharing bandwidth in your home and what is it being used for?
-How large is your apartment/home and are their any environmental factors that impede your wireless signal?
With this being a Tri-band router you can certainly expect it to have improved range over your default ISP router. Increased speeds will depend on the answers to your questions above. If you are a Gigapower customer, then yes, this router will definitely improve your speeds.