Hello, so I'm thinking of replacing my old 802.11g router with the newest 802.11ac one, however I have an iPhone 5 and I know that it does not have a 802.11ac chip, so I won't be able to use the wifi at home. I'm just wondering if any router offers a mixed signal such as 802.11ac and 802.11n to let some devices use AC while the others use N in order to let all devices connect to the internet. Thank you!