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Compact handheld RJ11 RJ45 cable tester for Cat5 Cat6 telephone network lines

SMUGDESK

SMUGDESK RJ11 RJ45 Cable Tester Cat5 Cat6 Network Telephone Wire Tracker

SKU CH-NNFJ-N88R3

Tests RJ45 Cat5/Cat6 and RJ11 cables for continuity, shorts and breaks

  • Tests RJ45 Cat5/Cat6 and RJ11 telephone cables with dual compatibility
  • Traces and locates broken or short network lines quickly
  • Compact handheld design for onsite wiring inspection and maintenance
  • Suitable for home, office, telecom and engineering wiring tasks
  • Simple operation detects open circuits, short circuits and continuity

Dual RJ11 RJ45 Cable Tester

This SMUGDESK cable tester checks both RJ45 Ethernet cables (Cat5 and Cat6) and RJ11 telephone lines. It is built for network engineers, electricians and technicians who need a single handheld tool to verify wiring integrity on the job site or in the office.

Continuity and Fault Detection Limits

The unit identifies open circuits, short circuits and basic line continuity on the supported cable types. It does not measure cable length, certify bandwidth performance or test shielding quality beyond simple connectivity verification.

Handheld Operation and Common Issues

Power on the tester, connect the cable ends and read the LED sequence for fault indication. No complex configuration is required. Misreading the LED pattern or testing live circuits connected to active network equipment can lead to incorrect diagnosis or damage to the tester.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $34.99
Pricier than about 66% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the RJ11 or RJ45 version for my cables?

This single unit tests both RJ11 telephone lines and RJ45 Cat5/Cat6 network cables, so no separate versions are needed.

How does the cable tracking work when I am on a live job site?

It sends a stable tracing signal along the wire path so you can locate the cable route, verify continuity, and pinpoint opens or shorts in seconds.

What standards do the RJ45 ports support and what does that limit in practice?

The tester handles Cat5 and Cat6 Ethernet links, letting you check continuity and fault status on typical office and home network wiring.

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