UNI-T UT681C Network Cable Tester

The UNI-T UT681C is a compact and reliable network cable tester designed for installers, technicians, and IT professionals. It quickly diagnoses faults in Ethernet (RJ45), telephone (RJ11), and BNC cables using the included adapter. With clear LED indicators and simple one-button operation, you can detect short circuits, open circuits, miswires, and crossed pairs in both fast and slow test modes.

• Multi-connector support: RJ45, RJ11, and BNC via adapter
• Comprehensive testing: Detects shorts, opens, miswires, and shielding faults
• Easy operation: Single button, auto power-off after 10 minutes
• Portable design: Lightweight transmitter (87 g) and receiver (51 g)
• Low battery indicator: Warns when voltage drops below 7.2V

Ideal for field use, office networks, and server rooms, the UT681C is powered by a 9V battery and meets CE safety standards. The kit includes the tester, battery, RJ45-BNC adapter, and manual.