The U.S. Army TMDE Activity requires the purchase of one high-performance Optical Spectrum Analyzer, either a Yokogawa AQ6370E-20 or equivalent, to replace aging equipment. The item must be delivered to the Army Primary Standards Laboratory at Building 5435 Fowler Road, Redstone Arsenal, AL. Key specifications include a wavelength range of 600 to 1700 nm, accuracy of ±0.01 nm, and resolution of 0.02 nm. No budget amount or submission timeline is specified in the description. Performance location is confirmed as Redstone Arsenal, Alabama.