Trendnet Professional Cable Tester, w/ Tone Generator The TC-NT2 is a convenient and comprehensive cable tester for network professionals. Its powerful and user-friendly features enable network installers to accurately check pin configurations of various voice and data communication cables. The TC-NT2 includes a master unit that transmits test signals to its corre-sponding remote terminator to verify cable reliability. It checks continuity and displays wiring configuration up to 300 meters of cable installation. With the unique feature of the audio tone generator, the TC-NT2 identifies and troubleshoots faulty cables to assure proper pin and wiring structure. Features : Tests Pin Configuration of 10c100/1000Base-T, 10Base-2 (coax), RJ-11/RJ-12/RJ-45, EIA/TIA-356A/568A/568B, and Token Ring Cables. Tests USB and IEEE 1394 cables with optional adapters Built-in Tone Generator for tracing cable with standard Tone Probe (Not Included). Tests the grounding on shielded (screened) cable. Verifies cable continuity, opens, shorts, and miswires. Tests cable up to 300 meters. Auto-Scan or Manual-Scan mode. Specifications : Tone Frequency : 600 - 800 Hz. Power Source : Requires one DC 9V battery. Dimensions : 4.5" x 2.7" x 1.1". Package Contents : Tester, Deluxe Carrying Pouch, two RJ45-to-BNC Adapters, and RJ45 Patch Cable.