Yankok [RJ45 RJ12 RJ11 Network Cable Tester] for UTP LAN Cables (Battery Not Included) Skip to content
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Yankok [RJ45 RJ12 RJ11 Network Cable Tester] for Standard and Shielded UTP LAN Cables Networking Test Tool (Battery Not Included)

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Original price $10.99
Current price $9.99

Main Tester: 1-2-3-4-5-6-7-8-G. Remote Tester: 1-2-3-4-5-6-7-8-G (RJ45), 1-2-3-4------(RJ11). Quickly identifies continuity problems such as shorts, open wires, reversed pairs, crossed pairs and miswiring.

Efficient in using Ethernet and telephone jacks. Compact in size and can be stored in any place. Quite rugged as it sports a durable body.

Has the ability to test cables in quick time. Extremely easy to operate as it comes with all user-friendly features.

High on efficiency and worth the money. Ideal for working on live networks to support device configuration and Ethernet switch detection.

🎁Package comes with 1x Network Cable Tester. Battery use 6F22 9V 25MA (NOT INCLUDED).


Package includes:

1x RJ45 RJ12 RJ11 Network Cable Tester


About Shipping:

Item will be shipped from China with international shipping.

For the North America: It will takes 10-15 days with standard shipping delivery in normal conditions.

For the other countries: Please provide us your address for shipping fees and details.


Hot it works:

LED display with power switch, ON for a normal speed test, S for a quick test, OFF for a power off.

Twisted pair testing from 1-8 wires and ground (G), identifies continuity problems such as shorts, open wires, reversed pairs, crossed pairs and miswiring.

How to use:

Turn on the tester and make sure that your cables are fully plugged in before you proceed to the test.

Then plug the network cables (RJ45/RJ11) into the appropriate port on the cable tester, and then connect the other end of the cable to the remote.

Normal Condition:

Normally lights on the main tester will go from 1 to G as below:

Main: 1-2-3-4-5-6-7-8-G

Remote: 1-2-3-4-5-6-7-8-G (RJ45). 1-2-3-4------(RJ11)

Read the problem:

When it comes a short or open wiring (such as the third wire shorts), the third LED on the main and remote tester will not light.

If the tester concludes that reversed or crossed pairs (such as 2 / 4 reversed or crossed). The main tester will remain in normal condition (1-2-3-4-5-6-7-8-G), but remote tester will display as (1-4-3-2-5-6-7-8-G).

If the tester concludes that this is not the case and that something has gone wrong (such as miswiring), you will find that the tester displays no lights on.


About Yankok®:

Yankok® offers a comprehensive line of products created to prep, connect, and test network, phone, CATV, home theater, satellite, and security cables for residential or commercial systems.

Yankok® has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right.

We only use the high-quality materials, superior workmanship, and keeping manufacturing as close to home as we can and make great products that stand up to the demands of the professionals who use them every day.

For every tool, item box and shipping package should be a Yankok® logo mark on it for genuine certification.