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Black square airborne module with small rectangular camera attached by short cables and two thin antennas

DJI

DJI O4 Air Unit Pro FPV Transmission System drone accessory

SKU CH-CKEM-16NYX

An airborne FPV video transmitter with dual antennas operating on 5.170–5.250 GHz and 5.725–5.850 GHz bands, delivering 1080p at up to 100 fps with latency as low as 15 ms

  • ColorBlack
  • TypeCable
  • CompatibilityYes
  • Specifications5.170 GHz to 5.250 GHz 5.725 GHz to 5.850 GHz
  • Features1. Strong resistance to interference; 2. Increased remote co
  • Package Content1. Sky-side module x1 2. Sky-side camera x1 3. Coaxial cable

Model O4 Air Unit Pro

  • O4 Air Unit
  • O4 Air Unit Pro

Struck-through versions exist but are not stocked here.

  • Low-latency racing video down to 15 ms with Goggles 3
  • Extended 15 km range under FCC when paired with Goggles 3 or N3
  • Lightweight airborne unit at 32 g with camera for agile flight
  • Dual-antenna diversity on 5.170–5.250 GHz and 5.725–5.850 GHz bands
  • Flexible 1080p live feed at 30, 48, 50, 60 or 100 fps

DJI O4 Air Unit Pro FPV System

The DJI O4 Air Unit Pro is a digital video transmission kit built for FPV drone pilots who need low-latency video and long-range control. It includes a sky-side module, camera, coaxial cable, triple-in-one cable and dual antennas in a single package. The system is compatible with DJI Goggles 2, 3, Integra, N3 and FPV Remote Controllers for a complete flight setup.

Installation notes and common issues

The kit ships with pre-terminated cables and a compact module measuring 33.5 mm by 33.5 mm by 13 mm, allowing straightforward mounting on most frames. The coaxial cable runs 130 mm and the triple-in-one cable 100 mm, so routing space is tight on smaller builds. Builders should verify antenna clearance; the 110 mm antennas must not contact carbon fibre or battery straps to avoid detuning.

Capacity, range and latency headroom

The unit operates on 5.170 to 5.250 GHz and 5.725 to 5.850 GHz bands with up to 60 MHz bandwidth and automatic or manual channel selection. Latency reaches 15 ms with Goggles 3, 19 ms with Goggles N3 and 30 ms with Goggles 2 or Integra at 1080p/100fps. Maximum range extends to 15 km under FCC rules and 8 km under CE or SRRC regulations. Pilots needing 4K recording or multi-drone swarm synchronisation should look elsewhere.

Highlights

  • Low-latency racing video down to 15 ms with Goggles 3
  • Extended 15 km range under FCC when paired with Goggles 3 or N3
  • Lightweight airborne unit at 32 g with camera for agile flight
  • Dual-antenna diversity on 5.170–5.250 GHz and 5.725–5.850 GHz bands
  • Flexible 1080p live feed at 30, 48, 50, 60 or 100 fps

Specifications

BrandDJI
ModelDJI O4 Air Unit Pro
Part NumberO450002
ColorBlack
TypeCable
CompatibilityYes
Specifications5.170 GHz to 5.250 GHz
5.725 GHz to 5.850 GHz
Features1. Strong resistance to interference;
2. Increased remote control range;
3. Clearer video footage
Package Content1. Sky-side module x1
2. Sky-side camera x1
3. Coaxial cable x1
4. Tri-cable x1
5. Data antenna x1
DimensionsSky-side module: 33.5 mm long, 33.5 mm wide, 13 mm high
Sky-side camera: 25.55 mm long, 20 mm wide, 23.30 mm high
Coaxial cable: 130 mm long
Triple-in-one cable: 100 mm long
Antenna: 110 mm long
WeightSky end (without camera): 5.6g
Sky end (with camera): 32g
Antenna: 2.1g /per piece

Questions about this item

How can I confirm the O4 Air Unit Pro is transmitting video correctly after installation?

Check the live feed on your goggles — 1080p at 100 fps should show latency as low as 15 ms with Goggles 3, 19 ms with Goggles N3, or 30 ms with Goggles 2 in Racing Mode.

What components are included with the O4 Air Unit Pro and what must I supply separately?

The box contains the sky-side module, camera, 130 mm coaxial cable, 100 mm tri-cable, and two 110 mm antennas; you need compatible DJI goggles (Goggles 2/3, Integra, or N3) and an FPV remote controller.

Which frequency band should I select for the O4 Air Unit Pro in my region?

The unit operates on 5.170–5.250 GHz and 5.725–5.850 GHz with automatic channel selection; manual single-channel selection is available when paired with Goggles 3 or N3.

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