Fluke Networks DSX-8000-ADD 2Ghz DSX cable analyzer modules add-on kit includes (2) DSX-8000 CableAnalyzer Modules, Set of Cat 8/Class I Permanent Link Adapters, Set of Cat 8/Class I Channel Adapters, (2) Headsets, (2) HandStraps, (2) Shoulder Straps, Carry Case, Versiv Open Source Software CD, (2) AC Chargers, (2) Universal Couplers, (2) AxTalk Terminators, Statement of Calibration and Getting Started Guide.