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Admin
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Everything posted by Admin
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Panel Antex Antenna Petra-9 turns into Petra-20 without changing dimensions(125x135x56mm)...
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,,,,dimensions of the truncated-cone reflector :D=136mm , d=40mm, H=27mm
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,, a new model for the ZETA antenna.. ,,,and MiMo...
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,,, you can see this post...
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,,, from where did you get this image ,,, ??
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,,,thanks Lhimo...!!!
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Lhimo,more dimensions are needed...!!!
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,,, look closer and you will find ... !!!
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,,, because not all BS (Base Station) have X or Cross polarization..!!!
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,,, yes, this antenna is good ... you can also post cst * files...!!! ,,, these are the frequencies for LTE...
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,,, no, this is after the original version ... !!!
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2x2 antenna panel, that has two polystyrene foam insulating spacers, being easily executed.
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,, it is possible, but it is quite complicated to build...!!!
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This type of antenna was developed by the "sgser" user...http://www.lan23.ru/forum/showthread.php?t=9279&page=49 The panel shows the elliptical vibratory elements which are fed by copper wire lines through a metal plate polyhedra...
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,, and here is a simulation of the antenna with mine dimensions(I'll post them later)....!!!
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Petra-9 turns into Petra-20 For the manufacture of a strong UMTS 2100 antenna, which it needed in a repeater gain circuit, must be used a small Antrax Petra-9 panel antenna. Petra-9 is used as a service (internal) antenna, but with a little refinement it can become an irradiator for an offset mirror.
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,,,for tuning the 50 Ohm impedance,Total Efficiency must to be << -0,06 dB...!!!
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I think I should test this mini-TV antenna...!!! ,,.from JM actualidades on YouTube...!!
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,,,,a practical way to build this antenna...
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,,,,ok, but these dimensions are not for the 430 MHz frequency ... !!!
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,,,,it works in 2.4 --- 2.6 GHz....!!!
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,,, well, this antenna panel is good,,,!!! ,,,but it seems that, this antenna exists on this forum....!!! ,,, these are the real dimensions ...
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,,, for which the frequency...???
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,,,please discuss in English ,,, in fact I will delete the dialogue in another language...!!!
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,,, here is a simple and easy to make antenna, 16 dBi gain directivity,,,
