Noyafa NF-8601S Multi-Function TDR Network Cable Tester & Tracker with PoE/PING

Noyafa NF-8601S Multi-Functional Network Cable Tester uses advanced Time Domain Reflectometry (TDR) technology to measure cable length up to 2,000m and locate fault distances (open, short, cross-talk). Features PoE testing (voltage & polarity), PING packet diagnostics, AC anti-interference wire tracking, and color TFT screen for RJ45, RJ11, BNC, and PoE network links.