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🔌 Empower Your Network Mastery with Precision & Speed!
The KOLSOL AT278 Network Cable Tester is a multi-functional, professional-grade tool designed for accurate cable fault detection using TDR technology, POE voltage identification, and comprehensive network performance testing via PING. Featuring an AC noise filter, rechargeable battery, large color display, and data export capabilities, it’s engineered for efficient diagnostics across RJ45, RJ11, BNC, and metal cables—ideal for network pros who demand precision and speed.








| ASIN | B07WRV3N5F |
| Best Sellers Rank | 1,125,582 in DIY & Tools ( See Top 100 in DIY & Tools ) 890 in Network Testers |
| Brand | KOLSOL |
| Colour | AT278 |
| Customer Reviews | 4.0 out of 5 stars 92 Reviews |
| Item Weight | 771 g |
| Item weight | 771 g |
| Manufacturer | KOLSOL |
| Manufacturer Part Number | WIWUAT278-K |
| Maximum Operating Voltage | 1000 Volts |
| Min. Operating voltage | 3.3 Volts |
| Minimum Operating Voltage | 3.3 Volts |
| Model Number | AT278 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | reachability |
| Style | Modern |
| Style Name | Modern |
| UPC | 889327032716 |
P**L
For the price, excellent
Purchased as replacement item. Had one before but dropped it. It did not survive
R**H
It's okay,
Instructions need to be on a bigger piece of paper, why so small ? Otherwise not bad for apprentices who are learning for first time. Also a belt clip on all units would be better for accessibility when moving about on construction sites. Send me royalty for idea when you sell thousands as not many manufacturers have them.
E**.
ottimo
per quello che costa è davvero tanta roba. Vediamo solo quanto dura.....
M**N
Worthwhile
The plastic body is cheap plastic that could break, but the feature set is huge. I could not find another product with all these features for less than double the price ($300). Update 2021 May: Been using this for a year. Still works as designed.
G**.
Perfekt
Der Tester ist sehr gut. Plus: + Fehler lassen sich schnell aufspüren. Hatte einen Kabel-Fehler. Der Fluke-MicroMapper zeigte gar nichts an. Der AT278 zeigte an, was (Kurzschluss zweier Drähte und Unterbrechung eines Drahtes) und wo (Leitungslänge). + Anleitung auf Deutsch. + Aufbewahrungsbox + Preis/Leistungsverhältnis ungeschlagen Minus: - Der Ladeanschluss ist leider kein USB-C. Ein Schönheitsfehler. Fazit: Würde ich immer wieder kaufen.
J**7
Très bon produit
Je l'ai essayé à mon domicile puis à mon travail car nous avions des problèmes réseau ça fonctionne très bien
N**T
Gutes Gerät - aber die Anleitung ist schrott
Das Gerät ansich ist gut und erfüllt alles, was es verspricht. Nur: Man muss erst herausfinden, wie diess zu verwenden ist, denn die Anleitung ist eher verwirrend. Durch Try and Error haben wir es dann doch geschafft, alle Funktionen zu testen. Technisch ansich 5 Sterne, aber für die mieserable Anleitung muss ich einen Stern abziehen
Trustpilot
1 month ago
2 weeks ago