$64.99: Get the deal: Asus Rt-ac66u B1 Ieee 802.11ac Ethernet Asus Rt-ac66u B1 Ieee 802.11ac Ethernet Wireless Router RT-AC1750 B1 (Renewed)
broadcom-wl does not support the wifi core (BCM4331) in the Asus-RT-N66U, the driver is too old. The network problem should be fixed by now. Apparently there is support, otherwise dd-wrt wouldn't be able to do it. I have this firmware loaded on my RT-N66U and wireless works (uses kernel 3.9.4): RT-N66U | Networking | ASUS Global The ASUS RT-N66U dual-band wireless-N900 gigabit router delivers incredible performance and coverage range. With new ASUSWRT UI, quickly setup your network, customize user access, and … RT-N66U BIOS & FIRMWARE | Networking | ASUS Global The ASUS RT-N66U Dark Knight is a slim and stylish 450Mbps 5GHz/2.4GHz concurrent dual-band 300,000-session Gigabit wireless router. Using powerful signal tuning and detailed setup, it offers stable and fast networking.
The slim and artful ASUS RT-N56U_B1 Black Diamond 300Mbps 5GHz/2.4GHz dual-band Gigabit wireless router offers 300,000 data sessions, Ai Radar, and EZ UI setup. It's a …
DD-WRT Forum :: View topic - Asus RT-N66U May 31, 2011
At launch, the RT-N66U was limited to 32k nvram. However, CFE (bootloader) version 1.0.1.3 added 64k nvram support around April 2013, but was not compatible with DD-WRT firmware at that time. For details, see these forum links to historical nvram and 64K implemention discussions: Fractal commentsand "RT-N66 CFE Thread"
DD-WRT Forum :: View topic - Asus RT-N66U May 31, 2011