Choosing a network cable tester starts with the jobs you actually do. If you only need to confirm that an Ethernet or telephone cable is wired correctly, a basic RJ45/RJ11 continuity checker may be enough. But if you work with PoE, live circuits, or long cable runs, you might need PoE detection, non-contact voltage sensing, and cable tracing. Two testers show the range of choices: the NF-802MG Network Cable Tester at $39.99 and the Networks Cable Tester Tool at $11.41.
Quick verdict: The NF-802MG is the more complete field tool, with support for PoE and CAT3 through Cat6a cables, plus detection and tracing features. The Networks Cable Tester is the low-cost pick for simple continuity checks on RJ45 and RJ11 cables.
| Feature | NF-802MG | Networks Cable Tester |
|---|---|---|
| Price | $39.99 | $11.41 |
| Testing capability | Continuity, PoE detection, NCV, SCAN | Continuity and fault detection |
| Cable support | PoE, Cat5, Cat5e, Cat6, Cat6a, CAT3, LAN, Ethernet | RJ45 and RJ11 LAN |
| Connectors | RJ45 and RJ11 | RJ45 and RJ11 |
| Color | Black and Red | Orange |
| Condition | New | New |
Where each wins: The NF-802MG wins for advanced troubleshooting, tracing, and safety. Its NCV function lets you detect live AC voltage without direct contact, and SCAN helps you identify cable runs. It also handles a wider range of cable categories, including PoE. The Networks Cable Tester wins on price and simplicity. It's compact, orange, and easy to use for basic checks.
NF-802MG Network Cable Tester
This is the tool to grab when you need more than a pass/fail check. It tests Ethernet cables, detects PoE, and reads voltage information. The NCV function is a real plus if you're working around energized wiring, and SCAN helps you trace which cable goes where. It accepts RJ45 and RJ11 connectors and works with PoE, Cat5, Cat5e, Cat6, Cat6a, CAT3, LAN, and Ethernet cables, so it covers most network installations. The black and red unit is portable and easy to carry in a field bag. The trade-off is the higher price compared to a basic checker, but for network professionals and advanced DIY users, the added detection and tracing features make it a more complete tool.
Networks Cable Tester Tool
If your needs are straightforward - checking whether a cable is wired correctly - this tester offers a very low-cost entry point. It has RJ45 and RJ11 ports, so it works with standard Ethernet and telephone cables, and it's small enough to keep in a drawer or backpack. The bright orange ABS body makes it easy to spot. It detects faults in the cable, and the operation is simple. One thing to remember: it needs a 9V 6F22 battery that is not included, so factor that in. It's a good option for the occasional home user who wants to verify a cable without spending much. The NF-802MG adds PoE detection, NCV, and SCAN, but if you don't need those extras, this tester keeps things simple and cheap.
Final choice by use case
Choose the NF-802MG Network Cable Tester if you set up or maintain networks, work around PoE switches, or want the safety and tracing extras of NCV and SCAN. Choose the Networks Cable Tester Tool if you only need to verify RJ45 and RJ11 cables occasionally and want to spend as little as possible. Both are new testers, but they answer different needs: one is a multi-function field instrument, the other is a no-frills continuity checker.
