Overview
Unlock freedom in flight with the DJI O4 Air Unit FPV Video Transmission System, suitable for airframes sized 2-inches and below.
Designed to deliver unparalleled performance at just 8.2 grams of total weight, the O4 Air Unit is straight business, supporting 4K/60fps video capture and full HD video transmission up to 10km via DJI O4 video transmission technology.
The O4 Air Unit eliminates the need for an external action camera, keeping builds lightweight and aerodynamic. Enjoy a max video bitrate of 100 Mbps, Betaflight software support and seamless compatibility with DJI Goggles and FPV remote controllers.
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Air Unit (camera module excluded): Approx. 5.1 g
Air Unit (camera module included)：Approx. 8.2 g*
Antenna: Approx. 0.75 g
*The lens mount is not included. With the lens mount, the weight is 9.2 grams.
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| Dimensions |
Transmission Module: 30×30× 6 mm (L×W×H)
Camera Module: 13.44×12.36×16.50 mm (L×W×H)
Coaxial Cable: 50 mm
3-in-1 Cable: 50 mm
Antenna: 80 mm |
| perating Frequency |
5.170-5.250 GHz
5.725-5.850 GHz
Operating frequency allowed varies among countries and regions. Please refer to local laws and regulations for more information.
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| Transmitter Power (EIRP) |
5.1 GHz: <23 dBm (CE)
5.8 GHz:
<30 dBm (FCC)
<14 dBm (CE)
< 30 dBm (SRRC) |
| Lowest Latency |
With DJI Goggles 3 and pick racing mode:
With 1080p/100fps video transmission quality, the latency is as low as 20 ms.
With DJI Goggles N3 and pick racing mode:
With 1080p/100fps video transmission quality, the latency is as low as 24 ms.
With DJI Goggles 2 or Goggles Integra：
With 1080p/100fps video transmission quality, the video transmission latency is less than 35 ms.
Latency data represents the minimum latency during the screen refresh process of DJI Goggles.Tested in an outdoor open environment without interference. The video transmission latency data varies with different devices.
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| Max Video Transmission Range |
With DJI Goggles 3/DJI Goggles N3:
10 km (FCC),6 km (CE),6 km (SRRC)
Measured in an unobstructed outdoor environment free of interference. The above data shows the farthest communication range under various standards . The actual maximum communication range during flight is limited by the flight endurance of the aircraft. Always pay attention to RTH reminders in the app during your flight.
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| Live View Quality |
1080P@30/50/60/100fps |
| Communication Bandwidth |
Max 60 MHz |
| Antenna |
1 antenna, 1T1R |
| Channels |
Supports auto mode
Supports manual mode:
With DJI Goggles 3 or DJI Goggles N3:
60 MHz: 1 channel; 40 MHz: 1 channels; 20 MHz: 3 channels; 10 MHz: 3 channel
With DJI Goggles 2 or Goggles Integra：
40 MHz: 1 channel; 20 MHz: 3 channels; 10 MHz: 3 channels |
| Channels Info |
FCC/SRRC/CE:
60MHz/40 MHz：
Channel 1: 5794.5 MHz
20 MHz/10 MHz:
Channel 1: 5768.5 MHz
Channel 2: 5789.5 MHz
Channel 3: 5814.5 MHz |
