AMPCOM Network Cable Tester RJ45 for LAN & TEL Continuity of RJ45/11/12 CAT5E CAT6 CAT7 UTP & STP Shielded Ethernet Wires Test Tool - W/Carrying Bag - Red

This is a must have for someone that makes their own ethernet cables. I put up a security system for a friend and the next day he called and said that one of the cameras stopped working. Wea had ran the cables through a wall so replacing the cable would have been a pain in the ass. I was able to use this to determine the cable was not the problem. We were able to track the problem down without wondering if it was the cable I made. This saved us so much time and the price was great. It's so easy to use and I will be using this every time now before I install the cables.

Works well. Not much else to say. Helped me to find out which Ethernet port in my house was connected to which wire in the network box.

When I first received the tester and installed a battery, it would not work on known good cables. I was about to return it when I decided that maybe the battery was a little low, so I connected to a bench power supply and it worked. It didn't like my rechargeable NiMH 9v battery. NiMH 9 volt batteries have a charged voltage of 7.2 or 8.4 volts. I didn't test mine, but I had just charged it prior to putting it in the tester. So now I know that the battery has to be a regular alkaline battery in tip top condition for this tester. So I cancelled my return and revised my rating from 1-star DOA to 4 - it seems a good tester for a low price device, if you use a good battery.

Works really well, and was very helpful for me to verify the cable was made correctly.

The usefulness to price ratio is fantastic. It's not fancy or sophisticated but it'll show you most basic wiring problems.

Works great to find ends and put new ends on and check all is good!! Definitely get!

Unit arrived defective. Worthless as a cable tester. Fails to show known-good LAN cables to be good. LEDs fail to light showing good connection. Manuf website via the Amazon link does not allow me to submit my issue/complaint for resolution. Delayed an installation job as I must now find / purchase a reliable LAN cable tester. I’m also very disappointed in Amazon’s return policy on a defective product. Why should I have to be further inconvenienced by delays in refunding my payment? It should be immediate, since sending defective <$10 products back are not worth the trouble for anyone. Most manuf tell customers to keep / recycle the product. Why would I opt for an Amazon credit when these products I buy on Amazon prove bad purchase decisions? My time is worth money too.

El producto cumple con las expectativas, funciona bien. Quizás le pregunten por qué 4 de 5 estrellas y es que aveces se traba un poco para poder separarlo, solo si le se aplica mas fuerza de lo necesario, pero el producto está y funciona bien 👍🏻