a radical advanced design, for vertical omni directional
VHF antennas the SPECTRAL IsoPole, has obtained a strong
reputation through the years, offering exceptional characteristics
compared with any other type of antennas as:
Zero degree radiation angle, so the major lobe is oriented
on the horizon: Is an ideal choice for base stations located
in peaks or mountains, and aeronautic Applications.
sleeve offer greater efficiency than the common radials,
producing a uniform omni directional pattern and a great
mechanical strength. Easier to assembly than most commercial
antennas Lower price than any other antenna of poor quality
and low performance Broad frequency coverage .They can
be tuned for commercial, military or amateur frequencies
without re-tuning across the entire band with less than
2:1 of SWR with no compromise for the transceiver.
with the best quality materials available of high resistance
corrosion aluminium alloys, stainless steel mounting hardware,
and insulation resistant to UV mainly manufactured for
satellite applications; the connector is inside the mast
fully weather protected, offering a linear and constant
has a high noise threshold, capable of discriminating
weak signals of spurious or static noises, and it is also
installation of the SPECTRAL IsoPole Jr. is very simple,
it requires only a metallic tube (not supplied with the
antenna for a reason of length) of 32mm (1-1/4 in.) and
1 meter (40 in.)
requires no more than 5 minutes to assembly and tuning.
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This site last updated on July, 2002.