Best RJ45 Network Testers of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 4 Feb 2026

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RJ45 Network Testers are essential tools for anyone who works with computer networks. These testers are designed to check the connectivity of Ethernet cables and to diagnose any problems that may be present. They are used to verify the proper wiring and functioning of network cables, as well as to identify faults such as short circuits, open circuits, and crossed wires. With the ability to quickly and accurately test network cables, RJ45 Network Testers are a valuable tool for network administrators, IT professionals, and anyone who needs to troubleshoot network connectivity issues.

At a Glance: Our Top Picks

VCELINK GJ468 Ethernet and Phone Cable Tester Cover #TOP 1
VCELINK GJ468 Ethernet and Phone Cable Tester
ftb score rating icon 9.8
NOYAFA Multi-Function Network Cable Tester Cover #TOP 2
NOYAFA Multi-Function Network Cable Tester
ftb score rating icon 9.7
Proster Wire Tracker RJ11 RJ45 Ethernet LAN Tester Cover #TOP 3
Proster Wire Tracker RJ11 RJ45 Ethernet LAN Tester
ftb score rating icon 9.5

Top 8 RJ45 Network Testers

#TOP 1

VCELINK GJ468 Ethernet and Phone Cable Tester

GJ468
white
VCELINK GJ468 Ethernet and Phone Cable Tester Cover
VCELINK GJ468 Network Cable Tester, RJ45 Ethernet Cable Tester for Cat5/Cat6/Cat7 LAN Cable & RJ11 Phone Cable

The VCELINK GJ468 Tester is a versatile device designed to ensure your network wiring is correct. It checks continuity and identifies any issues in your RJ45 and RJ11 cables, which is essential for maintaining a stable connection. You can easily test long cables from both ends, saving you time during installation. The device also features an LED display that helps you spot faults quickly, while the G light indicates whether your cables are shielded or not, providing you with the information you need for effective troubleshooting.

What We Like
Multi-functional cable testing capabilities
Ideal for long distance checks
Easy to use and read
Compact and lightweight design

NOYAFA Multi-Function Network Cable Tester

NF-8508
NF-8508
NOYAFA Multi-Function Network Cable Tester Cover
Network Cable Tester with Optical Power Meter PoE Multi-Function, Wire Tracker RJ11 RJ45 LAN Cable Toner Cat5 Cat6 Ethernet Cable Tracer with NCV, Port Flash, Support Type-C Charging, B

The NOYAFA Cable Tester is a versatile tool that combines a network cable tester with an optical power meter. With its large backlit LCD display, you can easily read results, making it user-friendly. It supports various cable types, enabling you to verify connections and accurately measure cable lengths up to 200 metres. The device also features multiple scan modes, which help you adapt to different testing environments. This multifunctional tester ensures you can efficiently troubleshoot and maintain network cables with ease.

What We Like
Multi-function testing capabilities
Large, clear display
Supports various cable types
Multiple scan modes available
Long battery life
#TOP 3

Proster Wire Tracker RJ11 RJ45 Ethernet LAN Tester

PST187a-PST
Proster Wire Tracker RJ11 RJ45 Ethernet LAN Tester Cover
Proster Wire Tracker RJ11 RJ45 Finder Ethernet LAN Multifunction Toner Tracer Network Cable Collation Telephone Line Tester Continuity Checking (Red)

The Proster Wire Tracker is a practical tool for anyone needing to trace and test cables quickly and accurately. It comes with an emitter and receiver that help you identify the correct cable pairs among many, although it does not support live wire testing. You can perform various tests such as continuity, cable sequence collation, and detect open or short circuits, making it easier to diagnose and fix cable problems. Additionally, the receiver features both sound alarms and LED indicators, allowing you to find the target wire by noticing the loudest sound and brightest light. The device is simple to operate and includes useful features like an LED flashlight, low battery warning, and earphone support for focused testing in noisy or dark environments.

What We Like
Quick and accurate cable tracing
Multiple testing functions included
Sound and LED indicators
Easy use with flashlight and earphone
#TOP 4

9 in 1 Network Cable Tester with Battery

SKU399923-battery
Blue and Black
9 in 1-With Battery
9 in 1 Network Cable Tester with Battery Cover
9 in 1 Network Cable Tester with Battery,Wire Tracker RJ45 RJ11 LAN Cable Toner Telephone Line Finder Cat5 Cat6 Ethernet Cable Tracer Kit Sensitivity-Adjust Continuity-Check for Cable Collation

The JENABOM Cable Tester offers high sensitivity adjustment and strong anti-interference, allowing you to quickly identify the target wire among many. You can easily check the condition of your network cables for issues like open circuits or incorrect connections. With a low power consumption protection feature, it reminds you when the voltage is low and saves energy by turning off automatically. The user-friendly design, with just a few buttons, makes it accessible for everyone, whether at home, in the office, or in a repair store.

What We Like
High sensitivity detection
Multifunctional cable condition checks
Low power consumption features
Easy to use design
#TOP 5

NOYAFA NF-8506 Multi-Function Network Tester

NF8506
Black
NF8506
NOYAFA NF-8506 Multi-Function Network Tester Cover
NOYAFA Network Cable Tester with IP Scanner, CAT5E CAT6 Ethernet Tester, PoE Ping Test, Port Flashing, TDR Cable Toner for RJ11 RJ45 Ethernet

The NOYAFA NF-8506 Tester is a versatile tool designed for network diagnostics and maintenance. With its PING tester and IP scanner, you can easily verify connections and check data integrity, ensuring your local area network runs smoothly. The device also features Time Domain Reflectometry (TDR) capabilities, which allow you to measure cable lengths and pinpoint faults quickly. Additionally, it conducts network speed tests to help you identify and resolve speed issues efficiently, making it an essential tool for anyone managing network systems.

What We Like
Multi-functional testing capabilities
Quick fault detection
Accurate cable length measurement
Efficient network speed assessment
#TOP 6

Preciva Ethernet Cable Tester for RJ45/RJ11

Preciva-?
Orange
Preciva Ethernet Cable Tester for RJ45/RJ11 Cover
Network Cable Tester, Preciva Ethernet Cable Test Tool, Lan RJ45 RJ11/Telephone Wire Testing for Cat5/Cat5e/Cat6a/Cat7, Portable Dual Powered via USB & Battery

The Preciva Cable Tester is a versatile tool designed for testing RJ45 and RJ11 cables. It simplifies troubleshooting by helping you identify short circuits and line misorders, making it ideal even for beginners. Thanks to its exclusive 100M POE anti-burning design, you can work confidently without the risk of damaging the tester. Additionally, the dual power supply options—either a 9V battery or USB—mean you can use it anywhere without worrying about battery life. With three adjustable test speeds, you can choose the most suitable one for your specific needs, enhancing your efficiency.

What We Like
Wide compatibility with cable types
Prevents damage during testing
Dual power supply options
Adjustable test speeds
#TOP 7

SC8108 Network Cable Tester with Wiremap Adapter

Cruiser
SC-8108
gray
180mm x 80mm x 40mm
SC8108 Network Cable Tester with Wiremap Adapter Cover
SC8108 Network Cable Tester CAT5 CAT6 RJ45 LAN Phone Cable Wire Testing Tool with Wiremap Adapter

The SC8108 Network Cable Tester is an essential tool for anyone working with network cables. It allows you to conduct connectivity tests on a single cable, ensuring that your connections are reliable. You can easily detect wiring faults in various cable types, including 5E and 6E coaxial cables. Additionally, it measures cable length with impressive accuracy, helping you locate specific issues like open or short circuits. This product also features dynamic calibration for length measurement, making it even more efficient for your testing needs.

What We Like
Accurate cable length measurement
Detects wiring faults easily
Tests multiple cable types
Single cable connectivity test
Dynamic calibration for precision
#TOP 8

VXSCAN RJ45 Network Cable Tester with 8 Remotes

NF-8108M
gray
NF8108
VXSCAN RJ45 Network Cable Tester with 8 Remotes Cover
Network Cable Tester RJ45 - VXSCAN Network LAN Phone Length Cable Tester Meter for Cat5, Cat6, 5e, 6e Location of Break, Length Measurement, Continuity Testing Tool with 8 Remote Units

The VXSCAN Cable Tester is a multifunctional tool designed to enhance your networking tasks. It can detect various issues such as open circuits and short circuits, saving you time and effort. You can measure cable length accurately, identifying distances to faults with up to 97% precision. The device also locates wiring errors in Cat5 and Cat6 networks, allowing for quick troubleshooting. With its long battery life, you can work uninterrupted for extended periods, making it an ideal choice for network technicians.

What We Like
Tests multiple cables at once
Accurate length measurement
Efficient wiring error detection
Long battery life
Buying Guide Image
Editor's Notes

During our rj45 network tester research, we found 275 rj45 network tester products and shortlisted 8 quality products. We collected and analyzed 23,764 customer reviews through our big data system to write the rj45 network testers list. We found that most customers choose rj45 network testers with an average price of £40.41.

The rj45 network testers are available for purchase. We have researched hundreds of brands and picked the top brands of rj45 network testers, including VCELINK, NOYAFA, Proster, JENABOM, Preciva.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.