DG Technologies' Gryphon S4 captures vehicle data for troubleshooting and diagnostic analysis. Comes with free analysis software that provides advanced filtering and triggering for customizable control of measurement, data logging and data display. With high-speed Ethernet, two USB slots and WiFi, this tool provides multiple communication methods. The tool also features modular "expansion" cards to include: hardware simulation and validation, End-Of-Line (EOL) programming, and ECU development and testing. This economically priced unit comes with Linux operating system for faster operation.