This one is one from the antennas I use.
I have 4 or 5 of them and finally I have one free to tear apart.
Price was ~ 25 euros before 2 3 years.
They promised me 12 dbi and 120 degrees but diagram is more like 90 100 degrees.
Interesting pattern are found on the pcb board π – it worked for me so there is no mater how it madded .
A new product from Ubiquiti we may see soon.
I defiantly will have one of these π
Breakthrough Price/Performance Spectrum Analyzer for the Masses
ubiquitis-airview Spectrum Analyzer
Ubiquiti’s Airview is a revolutionary product which consists of a tiny USB module, that when paired with a common laptop or PC, transforms into a powerful Spectrum Analyzer at a market breakthrough $39 USD MSRP price point.
Airview is available in four different models:
More info http://www.ubnt.com/airview/
And DEMO page here : http://www.ubnt.com/airview/demo/
Link to the original site whit pictures : http://wavetenna.blogspot.com
This omni antenna specification are available from Ovisilink or like AirLive.com WAE-085GP
Band : 2.4Ghz 802.11b 802.11g WIFI bands
Gain of 8.5 Dbi
Connector type – Female N-Type
Polarization – Vertical
Dimensions – 570 x 29 mm
And pictures are from the rt_rex site http://www.wavetenna.blogspot.com/
So this is a quite interesting antenna. This is the first REAL antenna that is similar to this strange picture that circulate on the internet :
The dimension did not match but the idea is very similar. quite interesting match really.
There is nothig on the net about this Radproject 2000 or anything about this upper design.