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Search the Community: Showing results for tags '21dBi'.

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Found 3 results

  1. Been beating around the bush for years to find a Good 4x4 patch array... Higher than 21 dbi , good impedance through the whole band,low enough vswr, under -20dbi side lobes... the original design is for 12,5 ghz and almost none side-lobes Power distribution Ratio 1:5:5:1 Changed it to WiFi , distribution ratio 1:1:1:1 (Original design Eliminated Sidelobes at the COST of 1,5-2dbi of gain) I'm happy (some testing still needed ) REAL dielectric constant of Polystyrene foam is a guess (1.02-1.05)
  2. Copying antenna airmax up to 10km range with litle modification not tested, made from pcb plate
  3. Still not 21dbi , but getting there... 24.2020H.28-08-09.pdf