The Keysight DCA-M series is based on Keysight's Digital Communication Analyzer (DCA) technology and is widely recognized as a benchmarking instrument to verify that optical transmitters meet communication standards. The DCA-M's compact form factor design offers a choice of optical and electrical channels from single to four channels for manufacturing and R&D applications. Its low-noise, high-sensitivity, calibrated reference receiver can be used to analyze both multimode and single-mode signals. The DCA-M is available in a wide range of models with associated software and compliance testing applications to ensure that you can measure and analyze electrical or optical communications devices with high accuracy.