Speedio Lan Cable Tester is your go-to solution for identifying faults and verifying connections in network cables, Ethernet wires, and telephone lines. Whether you’re setting up a home office, installing surveillance systems, or maintaining IT infrastructure, this patch cable tool and wire fault checker ensures every wire is correctly connected and fully functional. Equipped to test both RJ45 and RJ11 connectors, the Speedio tester uncovers open wires, shorts, crossover errors, wrong connections, and split pairs. The detachable remote unit enables one-person remote testing—especially helpful when cables are already routed through walls or ceilings. With support for RJ11 and RJ45 interfaces, this rj45 tester device is perfect for testing Cat5, Cat5e, Cat6, and Cat7 cables. Lightweight, battery-powered, and easy to carry, this wire map tool tester is a must-have in any tech toolkit. The LED light indicators provide fast results and easy troubleshooting. Lightweight, portable, and battery-operated, this cable continuity tester is a must-have for network engineers, IT support, security installers, and DIY networkers. Perfect for testing: Ethernet patch cords | LAN cable installations | Telephone/landline connectors | RJ11 and RJ45 jack terminations | Modular crimped wires.