Tools —
Network tools

Network cable tester for RJ45/RJ11. Open/short/miswire check. For technicians, offices and home networks.

Tools (1)

All Network RJ45

Frequently asked questions

What is a network cable tester used for?

A network cable tester checks RJ45 (Ethernet) and RJ11 (telephone) cables for breaks (open), shorts (short) and wrong wire order (miswire).

Do I need a computer to use it?

No — it is a standalone device. Main + Remote unit, powered by a 9V battery.

What battery does it need?

A 9V battery — not included, it has to be bought separately.