We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Hand-held network cable tester with LED display and RJ45 RJ11 RJ12 ports

Optimal Shop Network Cable Tester RJ45 RJ11 RJ12 CAT5 CAT6 UTP USB LAN

SKU CH-HP3X-NM8WD

Tests RJ45, RJ11 and RJ12 cables for shorts, open wires and crossed pairs using LED indicators

  • FeaturesBattery Powered, false
  • Height10 L x 2 W x 11 H centimeters
  • Width10 L x 2 W x 11 H centimeters
  • Length10 L x 2 W x 11 H centimeters
  • Weight0.06 kilograms
  • TypeOhmmeter
  • Tests RJ45 RJ11 RJ12 CAT5 CAT6 cables
  • Detects shorts opens miswires with LED indicators
  • Powered by 9V battery or micro USB port
  • Handheld design measures 10 by 2 by 11 cm
  • Weighs 0.06 kilograms for portable use

Hand-held cable tester for RJ45 RJ11 RJ12

This tester checks Ethernet patch cables and telephone wiring for shorts, open circuits and crossed pairs. It suits installers and hobbyists who build their own leads and need a quick pass-or-fail check before plugging into active gear. The unit fits in a tool bag and runs from a single nine-volt cell or the micro-power port.

LED display and dual-port layout

A row of LEDs on the main unit and the remote module lights sequentially from 1 to G so you can spot a dead wire at a glance. The main tester takes RJ45, RJ12 and RJ11 plugs while the remote handles RJ45 only, letting you verify both ends of a run without walking back and forth. Power comes from the included micro port or a user-supplied nine-volt battery.

Replaces guesswork when terminating cables

Instead of discovering a bad crimp after a device fails to link, you test each lead the moment the connectors are pressed. The jump is worth it whenever you terminate more than a handful of cables a month or troubleshoot existing runs in walls and cabinets. It does not test live circuits or certify bandwidth, so certification-grade work still needs a qualified analyser.

Highlights

  • Tests RJ45 RJ11 RJ12 CAT5 CAT6 cables
  • Detects shorts opens miswires with LED indicators
  • Powered by 9V battery or micro USB port
  • Handheld design measures 10 by 2 by 11 cm
  • Weighs 0.06 kilograms for portable use

Specifications

BrandOptimal Shop
FeaturesBattery Powered, false
Height10 L x 2 W x 11 H centimeters
Width10 L x 2 W x 11 H centimeters
Length10 L x 2 W x 11 H centimeters
Weight0.06 kilograms
TypeOhmmeter

Questions about this item

Which cable standards does the tester support for RJ45 and telephone connectors?

It tests RJ45 cables for CAT5 and CAT6 UTP, plus RJ11 and RJ12 telephone cables.

What are the physical dimensions and weight of the hand-held unit?

The main tester measures 10 L x 2 W x 11 H centimeters and weighs 0.06 kilograms.

How is the tester powered and what is a common setup mistake?

It runs on a 9-volt battery (not included) or via the micro-power port; a frequent error is testing without fully pressing the RJ45 crimped connectors into both the main and remote units.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.