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The UNITEK Network Ethernet Cable Tester (OT140A) is a smart, detachable dual-unit tool ideal for network engineers, broadband technicians, and DIY enthusiasts. It tests RJ45 (8P) Gigabit Ethernet and RJ11 (6P/4P) telephone cables, identifies faults like opens, shorts, and miswires, and supports up to 150m long-distance testing. Clear LED indicators show wire mapping and shielding status. Powered by a 9V battery (not included) for reliable, on-site troubleshooting.

All-in-One for Cable & Telephone
Supports multiple interfaces including RJ45 (8P) and RJ11 (6P/4P), providing precise testing for both Gigabit Ethernet cables and 2/4-core telephone lines.

Detachable Master & Remote Design
This unit slide into 2 parts: Main and Remote testers. They are apart effortlessly, enabling ultra-long-distance testing up to 150 meters—ideal for large-scale projects like server rooms and building cabling.

Intelligent LED Indicators
Clear wire mapping indicators (1-8, G) visually display the status of each wire core, line quality, and shielding integrity.

Power/Speed Indicator
Features one-touch operation with a clear status display for simple, intuitive use.

Dual-Unit Tester System
The Master and Remote units work in tandem to quickly identify faults such as open circuits, shorts, and miswires.

Extensive Compatibility
Fully supports a wide range of cable specifications (8P/6P/4P) to meet the demands of various wiring scenarios.
Note: This tester does not have a built-in battery. Require a 9V DC battery (Type 6F22) for normal operation.
| LED indicator | 1 LED Power On/Off; 9 LED testing indicators |
|---|---|
| Dimensions | 105.0mm x 105.0mm x 29.0mm |
| Material | PVC |
| Colour | Black, Grey |
- 1 x Unitek Network Ethernet Cable Tester
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