MT-7051N Multi-Modular Cable Tester For testing RJ45/RJ11/RJ12/BNC Cable Tests RJ45 TIA568A/B (AT&T 258A), 10 Base-T, Token ring, RJ-11/ RJ-12 USOC and Coaxial BNC cable. Automatically check cable for continuity, short, open and crossed wire pairs. Coaxial cable port indentifies cable conditions including shorts, shield opens and center conductor breaks. Main unit and remote allow one person testing. Power source: DC 9V Battery Dimension: 102x106x28 (mm) Cable not include