The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking sources for Fabry Perot resonators and microwave components to support traceable complex permittivity measurements up to 330 GHz as part of the NIST CHIPS program. The procurement aims to identify commercial products and services that include D-band, G-band, J-band, and Coaxial Fabry Perots, along with PXIe chassis, SMUs, and optional VNA equipment, all accompanied by a 3-year extended warranty. These components are critical for advancing measurement capabilities in analytical laboratory settings. Interested vendors are encouraged to submit their company information, product specifications, manufacturing details, and pricing, with responses due to primary contact Nina Lin at nina.lin@nist.gov or secondary contact Donald Collie at donald.collie@nist.gov. This notice is for market research purposes and does not constitute a commitment to a solicitation or contract award.