L-Band Solutions for the DTV Satellite Industry For 15 years, Sonora Design Associates has been manufacturing video network products. They are known for their quality, technical expertise and customer service. They provide system operators and integrators serving the DTV satellite industry with comprehensive L-Band solutions. Sonora's team of experts design systems to maintain signal integrity in large scale Commercial, L&I, D2, or DRE properties. Sonora Design continues to revolutionize the industry with their high quality coaxial distribution products and unparalleled technical support. Their multi-coax products provide point to multi-point distribution for multi-tenant or multiple dwelling unit properties. Less dishes and more TV's!