HT Instruments' QuickLAN 6055 is a versatile testing device suitable for UTP, STP, and FTP cables across CAT 3 to 7 categories. It serves as a data cable and continuity tester, with capabilities in attenuation measurement and ISDN phase testing. Typical applications include certifying network installations and diagnosing communication technology issues. https://elecena.pl/product/28785850/ht-instruments-quicklan-6055-lan-cable-tester-for-utp-stp-ftp-cat-3-7 2025-05-22 https://elecena.pl/product/28785850/ht-instruments-quicklan-6055-lan-cable-tester-for-utp-stp-ftp-cat-3-7 2026-07-10