Apr 14, 2021 · 2. Klein Tools VDV526-052 Cable Tester, LAN Scout Jr. Network Tester / Continuity Tester for RJ45 Data Cable Twisted Pair Connections. Buy Now. 9. 5. Check Price. 3. Klein Tools VDV501-823 Cable Tester, VDV Scout Pro 2 Traces and Tests Coax Cable, Network Data Cable, and Telephone Cable with Remotes. Buy Now.