Video Transmitter
O4 Air Unit
DJI — O4 Air Unit

Details
Type
Digital
Weight
8.2g
Dimensions
VTX: 30 × 30 × 6 mm
Mounting Pattern
30 × 30 mm
Power Input
3.7–13.2 V
Output Power
700 mW
Antenna Connector
I-PEX / U.FL
Protocol
DJI O4
Latency
20 ms
MSRP
$120
Camera
Digital air units ship as a kit with a matched camera — these are the specs of the included camera.
Camera
DJI O4 Camera Module
Image Sensor
1/2-inch CMOS
Resolution
Up to 4K at 60 fps
Field of View (FOV)
117
Lens
14 mm equivalent, f/2.8
Summary
The 8.2 g figure includes the camera but excludes the 0.75 g antenna and optional lens mount. DJI specifies transmitter power as less than 30 dBm under FCC regulations, which is just under 1,000 mW EIRP, rather than 700 mW.