





What People Say
I was skeptical because of the low price, but it worked perfectly to test the Cat6 cables I wired for my home office.
Simple, effective, and saved me from throwing away a perfectly good cable that I thought was broken.
It's a basic tool, but it does exactly what it says on the box. Every DIYer should have one in their toolbox.
Problem & Solution
There is nothing more frustrating than spending hours setting up a home network or office workstation, only to find the connection is dead. You check the router, you reset your modem, and you swap cables—but you still have no idea where the break is. This leaves you guessing if the cable is faulty or the port is damaged, costing you valuable time and productivity.
This compact Ethernet cable tester eliminates the guesswork entirely. By simply plugging your cable ends into the unit, you get an instant visual confirmation of connectivity. It identifies exactly which wire pair is open or shorted, allowing you to fix your network issues in seconds rather than hours. It is the ultimate insurance policy for anyone working with Cat5, Cat6, or telephone lines.
Who Is It For?
This tool is perfect for home DIY enthusiasts setting up their own smart homes, small office IT administrators managing local networks, and telecommunications hobbyists. It is also an essential 'must-have' for students or professionals who frequently crimp their own Ethernet cables and need to verify their work immediately.
Key Features
- Universal CompatibilityWorks seamlessly with RJ11, RJ12, and RJ45 connectors for versatile use.
- Multi-Category SupportFully compatible with Cat5, Cat5e, Cat6, Cat6a, and Cat7 cabling standards.
- LED Signal IndicatorsProvides clear, real-time visual feedback on wire continuity and connection status.
- Compact & Portable DesignFits easily in any pocket or tool belt for on-the-go network troubleshooting.
- Dual-Interface TestingAllows you to test both LAN cables and telephone lines with one single, affordable device.
- Shielded Cable SupportCapable of testing both UTP and STP cables for professional-grade installations.
Pros & Cons
Pros
- Incredible value at under $4
- Extremely simple plug-and-play operation
- Perfect for verifying DIY crimping jobs
- Lightweight and durable construction
Cons
- Battery not always included in the package
- Basic design lacks advanced tone-tracing features
FAQ
Yes, it is compatible with Cat7 and backward compatible with all common LAN standards.
Yes, the device requires a 9V battery to power the LED indicator lights during testing.
Yes, it will show you exactly which pin pair has an open circuit or short, identifying the break point.
Final Verdict
For a price point of just $3.85, this network cable tester is an absolute no-brainer. While it lacks the high-end bells and whistles of professional-grade $200 diagnostic tools, it performs the one job you need it to do: confirming if your cable is wired correctly. It is a reliable, budget-friendly companion for anyone who manages Ethernet or telephone wiring.