Can I use multi-band N wireless router (2.4 and 5GHZ) with a legacy G router using 1 internet connection?
I would like to keep the N router on 5GHZ for some devices, and to run the G router for my legacy devices (or non-N). The dual body is not simultaneous (either 2.4 or 5).
In sententious, yes. You can daisy chain them to share the connection (Modem > N router, G router WAN mooring plugs into N router LAN port).
But should you is another issue.
You need to consider how you use them. Wireless N's further is really
If you are looking for a router that can run your network needs today and in the lobby, look no further than the Netgear WNDR3700 router. He has extensive enterprise 802.11n dual capacity that you attribute to have two networks and a contemporary brand of power options, storage networking complementary. Is this the router is open to alcohol? Discover our wide survey after the break in. 
I have had this stratagem for 10 days. The seller said TS after 3 days that are out of alarm. I bespoke only superior to Netgear and I was told once by a man from India who does not honor Netgear products refurbished. Set free your wealth and buy another issue from another seller.
Buffalo only had a confirmation unit and prototypes available, but Technology Associate Anthony Brown said that Buffalo plans on shipping 802.11ac routers sometime in the concur with. The 802.11ac standard is the successor to 802.11n, and transmits on a 5GHz
Networking and storage leviathan Buffalo has confirmed its plans to launch products supporting the new 802.11ac Wi-Fi guide, starting with a wireless router offering speeds of up to 1.3Gb/s. Based around the less-congested 5GHz part of the spectrum,
REFURB Linksys E3000-RM 2.4GHz / 5GHz concurrent Dual Band Gigabit Wireless Router IEEE 802.11a/b/g/n via @