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General Dynamics SATCOM Technologies 2.4M SM-LT Troposcatter Antenna
The General Dynamics SATCOM Technologies (formerly VertexRSI) 2.4m SM-LT Antenna, configured for
troposcatter operation, utilizes either a “conventional” C-Band
(4.4 to 5.0 GHz) feed or a proprietary dual-beam Ku-Band feed
(14.9 to 15.4 GHz) to provide high-quality, over-the-horizon
communications. In C-Band applications, space diversity is
normally achieved using dual antennas in each terminal. For
Ku-Band applications, a unique, patent-pending, dual-beam
feed is incorporated to provide two closely-spaced beams in
elevation to achieve angle diversity in the troposcatter link.
Features
- Carbon fiber/aluminum construction
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Lightweight, precision surface, high stiffness, robust design for
vehicle mounting
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High performance, low sidelobes
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Stow/deployment -- low profile, stow position on vehicle, precision
alignment, automatic deploy and stow
Engineered to stringent standards for multiple applications,
the 2.4m SM-LT delivers performance suitable for multi-band
satcom and troposcatter operation. Various modes and/or
frequency bands of operation are readily accommodated via
interchangeable feed packages, making the antenna truly
field-configurable. In any operational mode or frequency
band, antenna performance is outstanding, with high gain,
low sidelobes and high crosspol and port-to-port isolation
values. The use of carbon fiber technology and precisionmachined
aluminum components provides the ultimate in
transportability, wind performance and longevity in tactical
environments.
With an integral azimuth over elevation cable drive and
lower azimuth bearing, the antenna system is readily fitted to
HMMWVs, trailers or transportable pallets. The 2.4m SM-LT is
fully compatible with the industry-standard VertexRSI Model
123T Antenna Control System, which provides position
control and tracking, as well as auto-deploy and auto-stow
functionality for both troposcatter and satcom modes of
operation.
Options
- Complete tropo terminals available, including amplifiers, frequency
converters, modems, antenna control systems and monitor and
control systems
- Reflector configurations (single or three-piece segmented)
- Finishes (green, tan or per customer spec)
- Integration (various TWT/amplifier mounting arrangements)
- Anti-icing
- Satcom capable (L, C, X, Ku, DBS, Ka, low-PIM)
Mechanical Drawings
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