This compact 2.4GHz omnidirectional "rubber-duck" WiFi antenna provides broad coverage and 7dBi gain. It is a coaxial sleeve design with an omni-directional pattern. It is ideally suited for IEEE 802.11b and 802.11g wireless LANs,

This flexible antenna features a tilt-and-swivel SMA male connector, allowing them to be used vertically, at a right angle, or any angle in-between. It is suitable as a replacement RF antenna for many access points and radios that are equipped with SMA connectors including D-LinkR, LinksysR WET11 and others.
for wireless router and WLAN PCI card
Diameter: 14.5mm
Length: 258mm
802.11b, 802.11g
SMA plug Connector
Flexible WiFi antenna
Tilt and swivel design