Profile: Advanced Receiver Research is a manufacturer of electronic communications equipment. We provide low-noise preamplifiers with hundreds of standard frequency models and special frequency units. They are widely used to increase the coverage area of communications systems, especially with the proliferation of small and low-power hand held radios. These preamplifiers are primarily used by police and fire departments, the military, government agencies and private industry. Our product lines include coaxial cable assemblies, power dividers, receiver multicouplers, power supplies, custom assemblies, Gunnplexer microwave equipment and accessories.