Upgradeable antennas mean you may not have to buy a whole new box to get better Wi-Fi. The antennas should deliver a significant bump in horizontal range, but if you’re having difficulty reaching a wireless client (a smart TV, a streaming box, a laptop, or what have you) on a floor above or below the router, you’d be better off with a power-line range extender or stringing ethernet to a wired access point.If you need right help then connect linksys team by clicking http://www.linksysroutersupport247.com/