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🔧 Test smarter, not harder — the pro’s pocket-sized network guardian.
The Klein Tools VDV526-100 Network LAN Cable Tester is a compact, professional-grade device designed for quick and reliable testing of RJ11, RJ12, and RJ45 voice and data cables. Compatible with CAT3 through CAT6A cables, it features instant LED diagnostics for faults and connectivity, secure remote storage, and smart battery management with auto power-off and low battery alerts. Trusted by professionals since 1857, this tester combines durability, precision, and portability to keep your network running flawlessly.












| ASIN | B07RT1J9MB |
| Best Sellers Rank | #11,398 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Network & Cable Testers |
| Brand Name | KLEIN TOOLS |
| Compatible Devices | RJ11, RJ12, RJ45 terminated voice and data cables; CAT3, CAT5e, CAT6/6A cables; Devices using these cables for network connectivity |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,489) |
| Global Trade Identification Number | 00092644692246 |
| Included Components | Tester, Remote, 9V Battery |
| Item Dimensions | 5 x 2.5 x 1.25 inches |
| Item Type Name | Klein Tools VDV526-100 Network LAN Cable Tester, VDV Tester, LAN Explorer with Remote |
| Item Weight | 4 Ounces |
| Manufacturer | Klein Tools |
| Measurement Type | Network Cable Tester |
| Minimum Operating Voltage | 9 Volts (DC) |
| Model | 092644692246 |
| Part Number | VDV526-100 |
| Power Source | Battery Powered |
| Specification Met | CE |
| Style Name | Tester |
| UPC | 092644692246 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year manufacturer |
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