DJI · vtx

DJI O4 Pro Air Unit

DJI O4 Pro digital video transmitter for cinematic and freestyle builds. VTX transmits video to goggles. Analog 5.8 GHz (25 mW EU) or digital DJI / Walksnail / HDZero ecosystems. Weight: 28 g. Voltage: 2S–6S (7–26 V). VTX: 1200 mW. Protocol: DJI O4.

~€18928 gDJI O4
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Use cases

  • Analog — low latency, budget, channel management
  • DJI O3/O4 — high quality, GEO and CE modes
  • Walksnail Avatar — DJI alternative with open stack

Compatibility & specs

  • Weight: 28 g
  • Voltage: 2S–6S (7–26 V)
  • VTX: 1200 mW
  • Protocol: DJI O4
  • Tags: digital, dji, o4

Buying tips

  • Indicative price ~€189 — compare alternatives in the FPV configurator.
  • Before buying verify stack size, VTX protocol and battery cell count compatibility.
  • For EU flights follow CE/NAA rules — separate from technical matching.

FAQ

What is DJI O4 Pro Air Unit for?
DJI O4 Pro digital video transmitter for cinematic and freestyle builds. VTX transmits video to goggles. Analog 5.8 GHz (25 mW EU) or digital DJI / Walksnail / HDZero ecosystems. Weight: 28 g. Voltage: 2S–6S (7–26 V). VTX: 1200 mW. Protocol: DJI O4.
What is DJI O4 Pro Air Unit compatible with?
Weight: 28 g Voltage: 2S–6S (7–26 V) VTX: 1200 mW Protocol: DJI O4 Tags: digital, dji, o4
Does DJI O4 Pro Air Unit fit my build?
Use the A2STS FPV configurator — select this part and the engine flags current, weight and protocol issues.
Which protocol does O4 Pro Air Unit use?
DJI O4. All chain parts (VTX, camera, goggles, RX) must stay in the same ecosystem.

Specifications

Weight
28 g
Protocol
DJI O4

Builds using this part

Alternatives