Calculator
Formula
Distance km ≈ 3.57 × (√h1 + √h2)
Notes
Use this calculator as a first estimate. Real RF results depend on antenna placement, ground plane, connectors, cable routing and measurement conditions.
Estimate radio horizon distance from antenna heights.
Use this calculator as a first estimate. Real RF results depend on antenna placement, ground plane, connectors, cable routing and measurement conditions.
No. They are estimates and should be verified with measurements.
PCB layout, cables, connectors, antenna placement and nearby objects affect RF performance.