DD-WRT Forum :: View topic - Asus RT-AC66U Firmware
Yes Larry, the Asuswrt-Merlin firmware 378.54_2 runs just fine on the Asus RT-AC66U. As I have been using Merlin for almost two years just upgraded to this newer version and all … Asus RT-AC66U - DD-WRT Wiki The hardware WPS button method of clearing nvram on the RT-AC66U works correctly up to version r26339. In later versions, the WPS method clears the 5GHz Wi-Fi radio to "2.4 GHz TurboQAM". This can be remedied by flashing r26339 on the unit and again clearing nvram before upgrading to a later release. [Wireless] ASUS router Hard Factory Reset | Official Jun 22, 2020 RT-AC66U B1 | Networking | ASUS Global Delivering 2.4GHz and 5GHz concurrent bands at up to 450Mbps and 1300Mbps, respectively, the RT-AC66U B1 has a total speed of up to 1750Mbps.
The Asus AC66U (no B1) was originally a draft AC router using the same CPU chip and plastic housing as the Asus RT-N66U just with an additional AC radio. Asus then upgraded the router by using the exact same hardware as in the Asus AC68U 1900 AC router and placed it in the new AC66U B1 router while still using the old plastic housing.
Jun 28, 2020
The ASUS RT-AC66U is a 5th gen dual-band Wi-Fi router, and the launch platform for the new ASUS AiCloud service. Its speed reaches 1.75Gbps, utilizing the Broadcom 802.11ac Wi-Fi controller and working in 2.4GHz and 5GHz. The 5GHz band supports up to 1.3Gbps, exceeding current Gigabit wired transmission and 3X faster than 802.11n.
Asuswrt-Merlin is an enhanced version of Asuswrt, the firmware used by Asus's modern routers. The goal of this project is to fix issues and bring some minor functionality adjustments to the original Asus firmware. While some features do get added, this is not the main focus of this project. Boosting performance of Asus RT-N66U - Gunnar Peipman Dec 08, 2017 RT-AC66U B1 BIOS & FIRMWARE | Networking | ASUS USA ASUS RT-AC66U B1 is a ultra-fast 802.11ac Wi-Fi router with a combined dual-band data rate of 1.75Gbps, currently the fastest available, utilizing the Broadcom 802.11ac Wi-Fi controller and working in 2.4GHz and 5GHz.