SLAC National Accelerator Laboratory, operated by Stanford University for the DOE, is seeking a fixed-price quote for specific ZNB series vector network analyzer equipment and accessories, with no on-site services permitted. The award will be based on the Lowest Price and Technically Acceptable (LPTA) method, with technical criteria including specific dynamic range, trace noise, and frequency bandwidth requirements. Performance location is SLAC in Menlo Park, California, with FOB Destination prepaid freight terms. A price and lead-time quotation is required by COB June 23, 2026, and the Buy American Act Certification applies to items with a unit price over $15,000. Subcontractors must be registered in SAM.gov, and payment terms are NET-30 with no advance payments allowed.