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clanon
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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
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I was hoping YOU have the drawings...i never draw any of those antennas...Is on the Petras and others a 3 strip balun from reflector to antenna...
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Jomy , These BALUN details might be IMPORTANT to know (3-4 feeding STRIPS) do you have a drawing with Dimensions...(Russians use it all the time)
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is built for bandwidth (i think)...discs won't get the same bandwidth...
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good luck with THAT (Yagis hit a wall around 16dbi) more than 20 is a LOOOONG YAGI...and 200mhz bandwidth conflicts with gain...(A different antenna or a PARABOLIC DISH would get the gain , not the bandwidth)
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Balanced vs Unbalanced