Indoor 9d Bi Omni-directional Desktop Antenna -Complies with IEEE802.11b/g/n standards -9d Bi high gain antenna with desktop antenna stand -Universal RP-SMA connector to fit most wireless devices -Omni-directional antenna for radial coverage -User-friendly mounting kit The Edimax EA-IO9D is a high performance 9d Bi omni-directional antenna, designed to improve the wireless network signal & coverage in your home & office. ** Wireless signal & distance improvement** When connected to a wireless access point or router, the EA-IO9D increases the wireless coverage area. The antenna also improves the transmission range when the antenna is connected to a wireless adaptor. **9d Bi high gain performance antenna** The antenna is capable of rotating 360 degrees. ** Universal RP-SMA connector for flexible connections** The antenna is not only compatible with Edimax devices, but also with most wireless devices equipped with a RP-SMA interface. ** Signal transmission in all directions** The antenna is omni-directional so it transmits & receives signals from all directions. It is the best solution for radial coverage. ** No software or driver needed** All you have to do is to unscrew the original antenna from your device & replace it with the EA-IO9D. The antenna starts to work as soon as it is put into position.