Operational Dimension
Legacy RFID Chip & Mat Systems
Chkdin Vision Miles RFID-free · mat-free
Ground Setup
✕LegacyHeavy rubber mats, cable ramps, generator wiring, antenna arches
✓Vision MilesZero mats. Single tripod edge node mount
Hardware Overhead
✕Legacy10,000+ single-use RFID chips attached to bibs
✓Vision MilesZero chips. Works with standard printed bibs
Trip Hazards & Logistics
✕LegacyHigh risk of runners tripping over rubber timing mats
✓Vision Miles100% barrier-free finish line corridor
Simultaneous Density
✕LegacySignal collision and missed chip reads in dense pack finishes
✓Vision Miles100% frame-by-frame optical OCR verification
Data Security & Processing
✕LegacyPost-race cloud uploads and manual chip reconciling
✓Vision MilesSub-50ms on-device edge processing