This combined presolicitation/solicitation announces a total small business set-aside for a spectrum analyzer under NAICS 334515, with quotes requested and no separate solicitation to follow. The 55th Contracting Squadron requires a spectrum analyzer meeting or exceeding the salient characteristics in the Statement of Need. Questions must be sent in writing to the Contracting Office. Answers to questions will be posted via amendment to www.sam.gov. Offers must be submitted to the Contracting Office.