This is a market research notice for a Transcranial Doppler system, including installation, configuration, validation, and ongoing support, for the Los Angeles VA Medical Center. Interested parties must respond by July 29, 2026, with detailed capability and pricing information. The required system must be a digital, multi-channel unit with specific software features, probes, and accessories, and delivery is required within 120 days after receipt of order. Installation and clinical training must occur within five months of delivery, with 24/7 telephone support included at no extra cost. The contract will be performed in Los Angeles, California.