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clanon
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ONE of the TWO RED lines in the picture should be the same that the DISH to LNB support (one of those TWO red Lines should be ALIGNED with the dish LONG side height---
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ALSO https://i.postimg.cc/pVs5WGZ3/IMG-20260221-142416012-HDR.jpg https://postimg.cc/z3RGpk4k You should get at least 2 or 3 db more if done correctly also S/N ratio gets better and quality of link (packets lost get lower)
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depends on the PROVIDER Polarization if it's linear Vertical Horizontal at 90 degrees is ok...(if Circular you lose several DB) ussually is slanted -45 +45 (90) so rotating the feeder slightly you should get a little more or less gain
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A disc without CUTS or SLOTS is Linearly Polarized...tho
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88 db DAMN ! 2 Dipoles 6-9 dbi MAX by polarization 8.8 dbi
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POLITICS is gettin WEIRD all over...I'll use another host next time (my bad)
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you are having issues on YOUR SIDE (DEVICE) my imgur picture is visible in MY post and also on YOURS...
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Not so much...
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if the connection is TOO BAD (75 ohms cable on wrong connectors , bad contact impedance high VSWR) it might be switchin to INTERNAL ANTENNA...hence 1-2 dbi gain
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LTE Band 40 uses the 2300 MHz to 2400 MHz frequency range (FIRST the FREQUENCY then the BUILD around SUCH frequency) you seem to be getting NO SIGNAL 2 db is nothing
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BRASS is great...Copper would be BETTER...(signal is LOST on small little defects on the way from Wireless card trough the antenna final contact point) CONTACT should be FIXED no play...
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make sure there's GOOD electric contact between inner wire and Excited Disc (that White looks like polyester resin or some dielectric paint)
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@yurik82 is it a BALUN...? looks like it..
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is a link to your OWN site...
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maybe something like this