The JDSU/Viavi T-Berd 2000 E4136MAFCO Mainframe is a specialized testing and measurement device used in the telecommunications industry. As part of the JDSU brand, this mainframe is designed to provide accurate and reliable results for various testing and measurement tasks. Ideal for business and industrial applications, this product allows professionals to efficiently and effectively evaluate the performance of their equipment and systems. Excellent condition and very clean. Does not have a charger.