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A Quad-Helix Antenna
According to specs provided, each helix has a nominal gain of 18 db, so the quad has a gain of around 24 db at 1420 MHz
post 21 Feb 2024
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Antenna Theory Helical
Helical antenna is an example of wire antenna and itself forms the shape of a helix. This is a broadband VHF and UHF antenn
BiQuad 802.11b Antenna
for the 110 x 110 mm reflector, but it will be just as effective if made out of sheet brass or copper
Building a biquad antenna for wireless 802.11b
Surely it's posible to use it for 2.4Ghz that is what 802.11b standard uses
Can feed for 23cm and 13cm
A copper or brass disc, 23cm diameter, is soldered to the outer lip of a 95mm i.d. copper or brass tube
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Helical antenna is an example of wire antenna and itself forms the shape of a helix. This is a broadband VHF and UHF antenn
for the 110 x 110 mm reflector, but it will be just as effective if made out of sheet brass or copper
Surely it's posible to use it for 2.4Ghz that is what 802.11b standard uses
A copper or brass disc, 23cm diameter, is soldered to the outer lip of a 95mm i.d. copper or brass tube
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters