User rating, 4.4 out of 5 stars with 58 reviews.
Yes, it supports all protocols (a,b,g,n) and uses both frequencies 2.4GHz and 5GHz.
Answered by CrosswalkTechnologies 9 years ago
The Asus RT-N56U Dual-Band Wireless-N600 Gigabit Router
Supports the following data rate transfer profiles
802.11n: up to 300Mbps
802.11a/g: up to 54Mbps
802.11b: up to 11Mbps
Answered by Jay 8 years ago