Comes with PC view software. The Configuration is in one of the pictures. Complete Part Number is AQ6370D-12-L1-D/FC/RFC. The Yokogawa AQ6370D Optical Spectrum Analyzer is a high-quality instrument designed for precise measurement in the wavelength range of 600-1700 nm. With a resolution bandwidth of 0.02 nm, this analyzer provides accurate and detailed spectral analysis. Manufactured in Japan by Yokogawa, a trusted brand in the industry, this optical spectrum analyzer is ideal for a wide range of applications in signal and spectrum analysis, making it a valuable tool for businesses and industries requiring accurate measurements.