Airtime calculator for LoRaWAN


A web-based user interface for the formulas defined in Semtech’s LoRa Modem Designer’s Guide (AN1200.13), showing the airtime for data rates as used in the frequency plans of The Things Network (TTN), and showing the limitations that apply to the TTN public network.

Make sure to read the README file on the repository for further information.

See it in action on

A post was merged into an existing topic: Wie viel darf ich per LoRa-WAN, wie viel per TTN schicken