Klein Tools VDV526-100 LAN Explorer® network cable tester with remote The Klein Tools VDV526-100 LAN Explorer® is designed for quick testing and troubleshooting of twisted pair voice and data cables. It checks for correct wiring and detects common faults such as miswires, breaks, shorts and shielding problems. https://elecena.pl/product/18691192/vdv526100eu-lan-explorer-data-tester-with-remote-unit 2021-06-07 https://elecena.pl/product/18691192/vdv526100eu-lan-explorer-data-tester-with-remote-unit 2026-07-01