NF-859GK Network Cable Tester 🔧

PING / POE / RJ45 / RJ11 / TDR / CAT5 / CAT6 / CAT3 Network Toner

Key FeaturesCompact & Portable

Small enough to carry in a tool bag for on-site network troubleshooting.

Durable Build

Rugged construction designed to withstand frequent daily use in the field.

CAT3/CAT5/CAT6 Compatible

Works with modern and legacy network cabling for RJ45 and RJ11 connections.

LP Tester & PoE Detection

Built-in LP tester checks phone line and Ethernet issues, plus PoE port flashing detection.

Versatile Testing Modes

Supports PING/IP testing, continuity testing, POE testing, and TDR cable length measurement.

Color LCD Display

Bright color screen displays test results clearly for fast diagnostics.

Choosing Your Option

This listing includes color variations only, all colors (Red, Black, Grey) include the same complete NF-859GK Network Cable Tester unit with identical testing features and FunctionsPING/IP, Continuity, POE, TDR, CAT5/CAT6/CAT3Connector TypesRJ45, RJ11DisplayColor LCDCompatible Cable TypesCAT3, CAT5, CAT6Battery IncludedNoOriginMainland ChinaColor OptionsRed, Black, GreyFAQDoes it require a battery?

Yes, a battery is required for operation but is not included; a standard battery type is needed to power the unit.

Can it test phone lines and Ethernet cables?

Yes, the LP tester function checks phone line issues, and the tester also supports RJ45 Ethernet and RJ11 phone line connections.

What cable types are supported?

CAT3, CAT5, and CAT6 network cables are all supported for continuity and TDR length testing.

Does it test PoE?

Yes, it includes a PoE port flashing and detection function for identifying PoE-enabled ports.