The manufacturer of the WA-7000C Multi Wavelength Meteris Exfo. The WA 7000C is a multi-line optical wavemeter with 1.0 pm resolution. This unit can measure up to 200 discrete channels. The meter measures wavelength and optical power output. The unit comes equipped with a color LCD Display and GPIB interface for remote communication and control and FC connectors for the optical fibers. The unit operates using Microsoft windows. The product is located in Lake Mary, FL, USA.