UNITEK Network Ethernet Cable Tester (OT140A) is a professional all-in-one tool for engineers and technicians. Supports RJ45/RJ11 testing, detachable master/remote units for 150m long-distance checks, intelligent LED mapping, and quick fault detection (opens, shorts, miswires).
- Detachable master/remote design for 150m testing
- Supports RJ45 (8P) and RJ11 (6P/4P) cables
- Intelligent LED indicators for wire mapping
- Detects opens, shorts, miswires, and shielding
- One-touch operation with clear status display
- Wide compatibility for Ethernet & telephone lines












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