80211ac the next generation of wi fi tp links archer c20i comes with the next generation wi fi standard 80211ac backward compatible with 80211n and 3 times faster than wireless n speeds with higher power efficiency and robust security 80211ac is the perfect way to accelerate a home multimedia network and solve congestion that multiple devices may cause 733 mbps dual band connections for lag free work and entertainment with 433 mbps wireless speeds over the crystal clear 5 ghz band an