Multi-Function Cable Tester RJ45 RJ11 USB BNC LAN Cat5 Cat6
Multi-Function Network Cable Tester — RJ45 | RJ11 | USB | BNC | LAN
Quickly verify, diagnose, and map network and telephone cable connections with this versatile Multi-Function Cable Tester. Designed for IT professionals, home network enthusiasts, and anyone who works with structured cabling, this all-in-one tester handles RJ45, RJ11, USB, BNC, and LAN cables — making it an indispensable addition to any tech toolkit.
Why You'll Love This Cable Tester
- 5-in-1 Compatibility: Tests RJ45 (Ethernet/Cat5/Cat6), RJ11 (telephone), USB, BNC coaxial, and LAN cables from a single device.
- Clear LED Indicators: Individual LEDs light up sequentially to confirm pin-by-pin continuity and correct wiring order at a glance.
- Detects Common Faults: Identifies open circuits, short circuits, miswiring, and crossed pairs quickly and accurately.
- Compact & Portable: Measuring just 160 × 85 × 25 mm (6.29 × 3.34 × 0.98 in), it slips easily into a toolbag or laptop bag.
- Durable Construction: Built from a robust plastic and metal combination for long-lasting everyday use.
- Split Remote Testing: Includes a remote unit so you can test cables already installed at both ends — ideal for wall outlets and patch panels.
- No Power Tool Needed: Battery-operated for fully portable, go-anywhere use.
Technical Specifications
| Compatible Cable Types | RJ45, RJ11, USB, BNC, LAN (Cat5/Cat6) |
| Dimensions | 160 × 85 × 25 mm / 6.29 × 3.34 × 0.98 in |
| Material | Plastic + Metal |
| Color | White |
| Power Source | Battery (included) |
Who Is This For?
Whether you're an IT technician troubleshooting office networks, a home user setting up a router or NAS, or a structured cabling installer verifying patch panel connections, this tester saves time and eliminates guesswork. It also makes a fantastic gift for anyone who deals with cables regularly.
For more information on structured cabling standards and best practices, visit the NIST Communications Technology Laboratory.
Frequently Asked Questions
Q: What types of cables can this multi-function network cable tester test?
A: This cable tester supports RJ45 (Ethernet Cat5/Cat6), RJ11 (telephone), USB, BNC coaxial, and LAN cables — all from a single, compact device, making it one of the most versatile cable testers available.
Q: How does the RJ45 RJ11 cable tester detect wiring faults?
A: The tester uses sequential LED indicators to display each pin's continuity. It identifies open circuits, short circuits, miswired pairs, and crossed connections clearly and instantly, so you can pinpoint and fix cable issues without specialist equipment.
Q: Can I use this cable tester on already-installed cables?
A: Yes! The included remote unit allows split-end testing, meaning you can connect the main unit at one end and the remote at the other — perfect for testing cables already run through walls, floors, or patch panels.
Q: What is the cable tester made of and how big is it?
A: The tester is constructed from durable plastic and metal for everyday reliability. It measures 160 × 85 × 25 mm (6.29 × 3.34 × 0.98 in) and is compact enough to carry in any toolkit or bag.