Certifying cables is a necessary step when setting up a Local Area Network (LAN). LAN Network Certification entails testing both LAN devices and cables. CableOrganizer® is your source for a range of LAN testers for Cat5e, Cat6, Cat6a, and higher-rated cables. Whether a DIYer or pro, we have the tools you can use to check for proper termination, signal integrity, minimal crosstalk, attenuation, and more.