The new linksys wrt1900acs dual band wi fi router is inspired by the original wrt54g iconic blueblack stackable form factor but with a modernized spin as well as more powerful hardware such as a dual core 12 ghz processor four removable antennas instead of the standard three and esata and usb 2030 connectivity ports the new wrt1900ac ships with linksys smart wi fi set up and management tools and will be the first linksys router to include the network map feature performance perfectedt