QuinStar Technology, Inc. designs and manufactures RF, microwave, and millimeter-wave front end solutions for communications, sensor, scientific research, and test applications. The company specializes in millimeter-wave products, microelectronic assembly, rapid prototyping, and mass customization. Its products include MW/MMW amplifier products; antenna products; waveguide straight sections, bends, twists, and custom assemblies; millimeter-wave antennas and associated components; and components and equipment for testing and measurements. The company also offers integrated and customized millimeter-wave assemblies and subsystems ranging from miniature transceivers and broadband receivers to antenna subsystems and communication front ends for digital and analog sensor, communications, and test applications. Its products are used in various system applications in commercial, scientific, and defense markets. The company sells its products directly in the United States and through a network of distributors internationally.