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Cable Testers

USB-C, Ethernet and continuity testers

2 products · 1 guide

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Best Ethernet Cable Testers: Wiremap, Length and PoE (Plus How to Check an HDMI Cable)

Ethernet cable testers explained: what a wiremap tester proves, when you need length and PoE testing, why none certify Cat 6, and how to check an HDMI cable.

Updated November 2, 2026Read

All cable testers (2)

Klein Tools

Klein Tools LAN Scout Jr. 2 Ethernet Cable Tester (VDV526-200)

A pocket tester for unenergized RJ45 cabling with a backlit LCD wiremap and a self-storing remote that finds opens, shorts, miswires, split pairs and shield faults, with a tone generator for tracing.

Comes in 2 versions: see which to buy

Networking
Home DIY
Budget

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Klein Tools

IEEE 802.3af/at/bt PoE (Types 1-4); 10/100/1G/10GBASE-T link speeds

Klein Tools Scout Pro Max Network Cable Tester with Remote Set (VDV501-770)

A color-screen voice, data and video cable tester that maps RJ45, RJ11/12 and coax wiring, measures cable length with TDR, identifies up to 20 locations, tests PoE and reports advertised link speed.

Comes in 2 versions: see which to buy

Networking
Pros
Gift

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