This item includes a 7dBi antenna, great for repeaters, access points, and long range. These provide 2 to 3 times the gain of stock antennas.

These antennas have RP SMA connectors and are compatible with many models including Buffalo WHR series routers, Cisco and Linksys WRT160NL, and E series, Proxim, US Robotics, Wi-LAN, and Tranzeo brand routers. Any router that has RP SMA connectors works! Also works with all USB and PCI WiFi adapters with RP SMA connectors.

The connector for these antennas is pictured below, it has a small diameter for fitting routers with tight connectors:

This is what they look like when installed: