📶 NRV Chain — radio test area
A live model of the LoRa radio layer: real airtime, distance-based signal loss, and node-to-node collisions. Move the sliders and watch delivery change — this is the same physics behind the home pilot, run as an interactive estimate rather than a full event-by-event simulation.
Parameters
Spreading factor is auto-assigned per node by distance (adaptive data rate), same as the research simulator.
Delivery rate
—
avg across all nodes
Hub throughput
—
successful bytes/hour
Collision load
—
est. loss from overlap
Model: Semtech LoRa airtime formula + distance-based reception probability (sigmoid falloff per spreading factor) + closed-form pure-ALOHA collision estimate per shared spreading factor. Illustrative range defaults, not a field measurement — see the NRV Chain overview for the full discrete-event version this is derived from.