Low Noise Amplifiers (LNAs) are used in receive antenna applications, usually placed between the antenna and the receiver to boost very weak incoming signals. LNAs are often used in microwave communication systems to overcome the noise floor generated by cables and other system components.

Southwest Antennas is an industry leader in the design of rugged antennas and radio frequency (RF) accessory products for modern warfighters.

The company focusses on providing solutions across a wide range of radio systems, including dismounted tactical radio, vehicle-based, base stations and unmanned vehicles for defence industry applications.