NOYAFA NF-858C Network Cable Tester Trace Line Locator POE BNC Finder Port Blinking Red Light Test Measure Length Cable Tracker

This device traces and locates cables using BNC and RJ45 connections. It measures cable length and checks for open, short, and cross conditions.

• The description claims the device can identify which pins are providing power and detect voltage.
• The description claims the device can identify telephone cable condition and polarity.