The Leica Zeno GIS handheld and software make dataflow simpler. The Zeno 10 provides a color graphic display in portrait format and a numeric keypad. The Zeno 15 is a full functioned model with full QWERTY keyboard and a display in landscape format. Dual-constellation tracking offers higher productivity with more satellites available. Zeno Field software provides a full range of functions to control the integrated GNSS receiver to manage the data collection process, handle real-time configurations, accuracy management, and an automated workflow between the field and office.