2.4GHz 9dBi Indoor Omni-directional Antenna
,,,pentru ce te intereseaza pe tine cred ca cel mai potrivit ar fi asta...https://apollo.open-resource.org/mission:log:2012:08:02:active-wideband-receiver-antenna-for-sdr
, oops!!! ... here's another friend!? Yes, I know these PDFs, but as I saw on this site too there is no so much interest in this type of antennas, so I post only the essentials! I think that is enough! Don"t you think so? bye!
,,, see that written above ...!!!! Antenna without dielectric lens, can be placed in the focus of a parabola. But in this case, lowers gain antenna amounting to approx. 10 dBi...!!!