Hardware Products Here are the various hardware products available from CSE Computronics Inc.. Have a look at the diagrams, specifications and options of each product. GEOLINK - 12 Channel Portable DGPS System GPs Beacon & DriftBuoy - DGPS Survey System Equipment LifeLine GPS System - 9600 Baud Data Telemetry Equipment Navigational Aids Monitoring TRAKLINK - Vehicle GPs Beacon Transponder System for Fleet Tracking Applications