I ordered the 7db version and my 360 wifi went from 2 bars to full bars with my Nighthawk R7000 router. It's a simple mod, just drill a hole for the external Antenna and connect the wire to the wifi card and install antenna. http://www.ebay.com/itm/2dBi-6dBi-7dBi-9dBi-X-Box-360-Slim-WiFi-Board-External-Antenna-MOD-KIT-NO-SOLDER-/141113777671?pt=LH_DefaultDomain_0&var=&hash=item667e634b46
