Skip to main content
A2A2STSEU
A1/A3A2STS
LicencesKnowledge hubPricingDemo

FPV component compatibility

Technical compatibility — prop size, stack, VTX protocol, KV and battery cells. Each guide links to the configurator.

  • Why 2207 1750KV is the most popular 6S freestyle motor
  • When to choose 55A over 45A ESC
  • DJI O4 vs analog FPV camera compatibility
  • Prop size and frame compatibility
  • 30.5×30.5 stack mounting
  • Walksnail vs DJI VTX ecosystem
Check compatibility in configurator
A2STSEU

EASA A2 & STS exam preparation for the EU

A2STS.eu

LT

Exams

  • A2 exam
  • STS exam
  • A2 + STS (combo)
  • A2 vs STS

Platform

  • How it works
  • Demo
  • Knowledge hub
  • Pricing
  • Gift voucher
  • Regulations
  • FAQ

Account

  • Sign up
  • Sign in
  • Redeem gift voucher code
  • Learning hub

Legal

  • Terms
  • Privacy
  • Contact

© 2026 A²STS · Preparation platform aligned with EASA structure. Official exams are administered by your NAA.

Content updated: 2026-05-26 · Sources: EASA Part-UAS