The Noyafa NF-8506 is a versatile handheld network tool that tests RJ11, RJ45, CAT5, and CAT6 cables. Key features include TDR cable length measurement, Power over Ethernet (PoE) testing, port flashing, ping/IP scanning, and network speed testing. Key Features Breakdown:Cable Testing: Checks wire continuity, maps wire faults, and measures cable length up to 200m.PoE Testing: Detects mid-span/end-span configurations, polarity, and IEEE 802.3af/at standards.Network Analysis: Includes IP scanning, ping tests, and network switch link speed diagnostics (10M/100M/1000M).Port Flashing: Helps identify switch ports by flashing the LED on a connected hub or switch.