Astrotek Network & Ethernet Cable Tester | RJ45, RJ11, Coaxial

The Astrotek Network Cable Tester is your reliable tool for quickly checking all your important network and phone cables. If you've ever experienced slow internet or a phone line that doesn't work, this handy tester can help you pinpoint the problem.

It's designed to work with a wide range of cables, including standard Ethernet (RJ45), phone lines (RJ11), and even coaxial cables. This versatile device supports various standards like Cat 5, Cat 5e, and 10/100 Base-T, making it perfect for most home and office setups.

This smart tester quickly identifies common issues such as wrong connections, short circuits (where wires touch incorrectly), and open circuits (broken wires). You'll immediately know if your cable has proper continuity, ensuring your data signals flow smoothly.

Featuring 9 bright LED lights on both the master unit and the remote unit, you can easily see the status of each wire. It also includes a useful grounding test. Simply insert a 9V battery (not included), and you're ready to troubleshoot and ensure your network connections are strong and reliable