Gikfun USB Cable Tester Board USB Cable Checker Data Wire Charging Test Data Line for Type-C Micro AB Lightning RJ45 Connector GK1030

**** The Gikfun USB Cable Tester Board is a handy tool for anyone looking to diagnose issues with USB and Ethernet cables. Users laud its ability to effectively reveal if cables are genuine data carriers or simply power-only variants. The tester supports a variety of cable types, including USB-A, USB-C, Micro-USB, Lightning, and RJ45 Ethernet connectors, making it a versatile choice for people who frequently rely on different cables for their devices. While the device is celebrated for its straightforward functionality, some users have noted that its ability to troubleshoot can sometimes hinge on manufacturer specifications, which aren't Consistent across all cables. This can be particularly frustrating for users who find that their newly purchased cables don’t align with the tester's indications, leading to confusion regarding their compatibility. A common criticism among users is the lack of a power supply included with the tester, which is necessary for operation. Reviewers recommend using a 12V 1A power supply with correct polarity, but they also wish a simple USB power option had been integrated into the design. The manual, being somewhat sparse, adds to the learning curve for new users, particularly when it comes to understanding which indicators to look for based on the type of cable being tested. Overall, the Gikfun USB Cable Tester is successful in fulfilling its primary function: identifying faulty cables quickly and efficiently. It stands out for its reliability and the honest assessment it provides when testing, although potential buyers may want to Consider the need for a power source before making their purchase. **