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Choosing the Best Radio Transmitter for Your FPV Drone: A Beginner’s Guide

  3rd August 2025   Choosing a radio transmitter for FPV drones can be overwhelming for beginners with so many options available. A radio transmitter is critical to controlling your drone in flight. This guide explains factors beyond price, such as supported frequency and protocols, channels, functionality, reliability, comfort, and software.       Some of the links on this…

Demystifying ExpressLRS: An R&D Engineer’s Guide to Receiver Selection

Here at the Atom Aviation R&D lab, we spend a massive amount of time optimizing link budgets and testing UAV reliability. One protocol that has completely taken over our workbenches recently is ExpressLRS (ELRS). However, the ELRS hardware ecosystem has exploded. We went from a few open-source designs to a market flooded with diversity, dual-band, Gemini, and TCXO options. As…

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