Southwest Antennas is a leading designer and manufacturer of high-performance RF antennas, microwave antennas and accessory products for military, defense, law enforcement, homeland security, broadcast video, and other commercial applications. Founded in 2005, our products are manufactured in San Diego, California.
Our RF antennas and microwave antennas are deployed on unmanned and autonomous systems both domestically and internationally, and can be found on ground control stations, handheld controllers and video receivers, unmanned aerial vehicles (UAVs), unmanned ground vehicles (UGVs), and unmanned marine systems.
All Southwest Antennas products are radio agnostic and can be used with almost all SISO or MIMO / MANET radio systems on the market today. Additionally, we’ve designed specifically for tactical radio systems and multi-port MIMO/MANET systems.
Vehicle Mounting Kits
IP67-rated permanent RF antenna mounting kits
We offer mounting kits for permanent vehicle deployments, enabling omni-directional antennas to be robustly installed for mobile applications. Compatible with antennas using one of five RF connector types, the kits provide IP67-rated ingress protection and a maximum VSWR of 1.5:1.
Each kit is provided with 17 feet of integrated LMR-195 low-loss RF cable with pigtail lead, and users can select an RF connector that mates with their radio from a choice of nine different types.
Vehicle Mount Omni Antennas
L, S & C band antennas with NATO & USA vehicle mount brackets
Our range of omni antennas for UGVs (unmanned ground vehicles) and robotic platforms can be mounted to 6-hole NATO or standard 4-hole USA vehicle mounting brackets. With options for L, S and C bands, these antennas provide 360-degree azimuth coverage and are compatible with most leading tactical radio systems.
The rugged antennas are IP67-rated, and have been designed with heavy-duty spring bases that allow them to survive snags and significant impacts.
RF Filter Modules
Improve radio system performance and simplify installation
Southwest Antennas offers a wide range of RF filter options for environments where interference from nearby transmitters may be causing issues for vehicles or control systems.
Our line of compact and robust RF filters allow for all-weather operation. These RF filters are bi-directional and can be installed in either direction.
Iridium & GPS L1 Antenna
Location Service and SATCOM Antenna
This lightweight and compact hemispherical passive antenna is designed for use on the Iridium worldwide satellite communication and location service network. Providing both transmission and reception, it enables two-way voice and data communication from anywhere in the world.
The antenna also supports GPS L1, providing timing and location for any attached radio system that supports GPS reception. It has been designed with a wide 120-degree hemispherical coverage area to capture as much sky as possible and reduce satellite acquisition time.
GNSS Active Antenna
Rugged GPS & GLONASS L1/L2 patch antenna
Our GPS & GLONASS Active L1/L2 patch antenna is ideal for commercial, industrial and tactical military unmanned systems PNT (position, timing, and navigation) applications.
Featuring a built-in LNA (low-noise amplifier) and filtering, it provides high performance even in contested and congested RF environments.
The low-profile radome gives it a minimal footprint, and the custom black chrome SMA(f) RF connector provides waterproofing and allows users to fully customize cable length and type for mounting locations away from the receiver. An innovative magnetic mount, integrated flush into the radome, provides quick securing to and removal from any ferromagnetic surface.
Horizontally Polarized Directional Patch Antenna
Small form factor L- and S-band antenna
This directional patch antenna, designed for L- and S-band applications, provides horizontal polarization when installed with the RF connector facing down, and can also be deployed for vertical polarization requirements.
With a frequency range of 1.7 – 2.5 GHz, it is ideal for a wide variety of unmanned systems communication needs in defense, law enforcement and 2.4 GHz ISM applications. It can also be used to facilitate MIMO and MANET mesh networks for drones and robotics.
Half-Wave Dipole Omni-Antenna
Low-SWaP C-band antenna
This rugged small form factor omni-directional antenna covers the 4.4 – 5.9 GHz frequency range with 3.2 dBi of peak gain. It features an integrated strain relief spring, covered by a weatherproof heatshrink seal, protecting the RF connector and attached system from damage.
The rugged construction and small, lightweight form factor make it ideal for space- or weight-constrained UAVs and UGVs.
Ultra-Flex Omni-Directional Antennas
Compact, rugged omni-directional sector antennas, with integrated environmentally sealed spring base
Our line of Ultra-Flex Omni Antennas are designed to offer high-performance communication in a small package, ideal for unmanned ground systems. Featuring an integrated sealed spring base which can bend ±90 degrees from vertical, reduces the risk of damage to the antenna or mated radio RF connector if the antenna is struck by another object. This feature is especially well-suited to ground robotics platforms which may encounter low-hanging obstacles while in operation.
Our Ultra-Flex are also deployed on UAV systems with the ground clearance and payload capacity to support external antennas.
Available from 902 MHz to 6,000 MHz in a variety of band and RF connector options. Our Ultra-Flex antennas are also waterproof to 20 meters when mated to a waterproof RF connector.
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