Check the listing for details. RJ45 Network/Ethernet Cat5e/Cat6 Cable/Cord Tester w/Custom Re-Wiring/Breakout. Condition: Used. Listed at 19.99 USD. This high-quality RJ45 network/Ethernet cable tester is perfect for any tech professional or DIY enthusiast. It allows for quick and easy testing of your network cables and connectors, ensuring reliable and efficient performance. The tester is designed for use with Ethernet Cat 5 and Ethernet Cat 7 cables, as well as RJ45 connectors, and provides a custom re-wiring and breakout option for added convenience. With its brand name GeMT, this cable tester is a reliable and durable choice for your network testing needs. It is ideal for use in a variety of settings, including home offices, small businesses, and large enterprise environments. Whether you are a seasoned professional or just getting started, this RJ45 network/Ethernet cable tester is an essential tool for any tech toolkit.