The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking to procure 10 units of a Modulator, Radio, specifically part number 2680378G002, under a presolicitation notice. This procurement is intended to fulfill a specific requirement and will be negotiated with only one source, as authorized by FAR 6.302-1, indicating the specialized nature of the item. The modulators are critical for electronic countermeasures and related capabilities, underscoring their importance in defense operations. Interested parties are encouraged to express their interest and capability to respond within 45 days of the notice, with all communications directed to Autumn M. Rau at AUTUMN.M.RAU2.CIV@US.NAVY.MIL.