This is a combined synopsis/solicitation for a commercial item, set aside for total small business, with a firm-fixed-price contract expected. The Naval Research Laboratory in Washington, DC, is seeking a brand-name or equal perpetual license for PathWave ADS Core and related EM design, layout, RFPro, and circuit/simulation verification software. Offerors must be an OEM, authorized dealer, distributor, or reseller, and provide manufacturer authorization documentation. Delivery is to the Naval Research Laboratory in Washington, DC, with FOB destination preferred. Award will be made on a lowest-price technically acceptable basis, and quotes must be submitted via email.