This antenna fits all routes which use SMA connectors. Most of routes on the market are use this universal connector and you may find the dimension of the SMA on our ebay photos. Wifi antenna Description:These antennas have RP SMA connectors and are compatible with many models including Buffalo WHR series routers, Cisco and Linksys, 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.Gain: 9/5/2dBiFrequency Range: 2.4 Ghz ~ 5.8 GhzVoltage Standing Wave: < 2Polarization: Linear VerticalImpedance: 50 Ohms NominalDirection: Omni – directional (360° Horizontal / 15~20° Vertical)Connector: RP-SMA.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*>span.ebay{display:none;}