so that be why I give it 4 star . purchase to replace 6 year old Comcast rental modem in the Metro Atlanta market . -lrb- hmmmm 6 year at $ 7 a month ... lessee that be $ 504 I pay for that thing . how time fly ... -rrb- plug it in . call Comcast . they be extremely helpful in register it and make sure it work . have to power cycle we router and then all be work . download\/upload\/ping rate all comparable to the old unit . the bottom light steadily flash on\/off for activity be a bit annoying . just do not look at it . only hassle be stand in line to return the old rental modem . Shudder .