2.4 GHz WiFi 15dBi Yagi Antenna 16 Elements and 15 dBi Gain Increases WiFi Signals 32 Times Over a Standard Dipole Antenna Our 15 dBi WiFi Antenna uses a well tested design with 16 elements that has been honed to give you the maximum improvement on your wireless signal. 15 dBi means your wireless signal is THIRTY TWO TIMES STRONGER! That's twice as strong as other 12 dBi antennas you'll see! It's light enough to attach directly to a laptop (weights just 2.9 ounces)! This antenna has no obstructions -- it's a pure open-air design that minimizes all losses! There's nothing in the way to reduce the gain of this antenna! Three Ways To Mount 1 standard tripod mounting hole -- compatible with all standard tripods! (tripod is not included) 2 holes on the bottom of the antenna -- use this to mount it to any horizontal surface, like a table or bookshelf! 2 holes on the back of the antenna -- use this to mount it to any vertical surface, like a wall. Works With Any 802.11b or 802.11g or 2.4 GHz Device This 15 dBi WiFi antenna works with any 802.11b or 802.11g wireless device, or any 2.4 GHz device that falls within these spectrums. It uses a standard %22N%22 female connector to connect to your wireless device (requires a common pigtail with %22N%22 male connector and adapter to fit your wireless card -- not included). You can easily find a pigtail for your specific wireless card in online auctions and many websites. This antenna measures 18 x 2? x 1? inches and weighs only 2.9 ounces.