BIRUGEAR 2 Pack 7-inch Wi-Fi Wireless Network Antenna / Router Signal Booster for D-Link DWL520, Linksys WMP11, WET11, Netgear MA311, D-Link Access Points This is a standard Reverse Polarity RP-SMA High Gain antenna for your wirless network routers, access points or modems. Replace your WIFI antenna to increase the range and strength of your WIFI signal. NO aiming is equired, and it can send and receive WIFI signal in all directions. This antenna has stronger sneding /receiving wireless network signal than the less powerful booster antennas offered by standard wirless network routers, access points and modems. Extends up to 5 times the original range of your WIFI access in open space, and it is very easy to replace your existing standard antenna.