I be tell but my cable company -lrb- Comcast -rrb- that I need a update modem . review be good and price on Amazon be $ 25 less than best buy . with less than a week until by modem would `` not be able to handle '' stuff , I order this know I might be down for a couple day . BUT , in 4 or 5 day the package be on my door step and a half hour later I be good to go . call the cable company with MAC address and bam I be up and run . everything I need be there -- do not know much about the technical side of it except it work like it should -- that be all I be look for and I get it !