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DJI O4 Ground Station

DJI O4 Ground Station

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S-DJI-O4

  • Extends enterprise drone transmission range up to 40 km with Matrice 400
  • Automatic multi-band switching across sub-2G, 2.4 GHz, and 5.8 GHz
  • Supports Gateway Mode and Relay Mode for flexible deployment configurations
  • Integrated 5-system, 19-frequency GNSS with centimeter-level RTK accuracy
  • Omnidirectional 12-antenna array with horizontal and vertical polarization
  • IP67-rated housing withstands full dust and water exposure during outdoor deployment
  • Onboard LiPo backup battery provides up to 45 minutes of emergency runtime
  • Fanless passive cooling with auto-restart for low-maintenance continuous operations
  • Compatible with FlightHub 2, ESDK 2.0, Cloud API, and DJI Cellular Dongle 2
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  • Description
  • Specifications
  • In the Box
  • FAQ

DJI O4 Ground Station: Extended Video Transmission for Enterprise Drone Operations

The DJI O4 Ground Station is a professional video transmission base station built for enterprise drone deployments that demand reliable, long-range connectivity. Operating on the DJI O4 Enterprise Enhanced Video Transmission System, it supports both Gateway Mode and Relay Mode, giving operators the infrastructure to maintain strong communication links across dock-based and manually flown missions.

Designed for teams running large-scale or continuous operations, it integrates directly with DJI FlightHub 2 for centralized fleet management and remote control.

Key Features and Benefits

  • Transmission range: reaches up to 40 km (24.9 mi) with DJI Matrice 400 in Relay Mode.
  • Multi-band selection: automatically switches across sub-2G, 2.4 GHz, 5.2 GHz, and 5.8 GHz.
  • Antenna system: 12-antenna array with horizontal and vertical polarization for full coverage.
  • Dual operating modes: Gateway Mode and Relay Mode serve distinct mission deployment needs.
  • GNSS precision: 5-system, 19-frequency receiver achieves 1.0 cm RMS Network RTK accuracy.
  • IP67 rated: fully sealed against dust and water for permanent outdoor installation.
  • Backup power: onboard LiPo battery provides up to 45 minutes of runtime on power loss.
  • Low-power standby: drops to approximately 7W when no aircraft is connected to the system.
  • Cold-weather startup: operates and initiates heating mode from -40°C (-40°F) with Type 3 PoE.
  • Self-recovery: automatic restart after outages or software anomalies reduces downtime significantly.

Whether deployed in dense urban corridors, mountainous terrain, or remote off-grid sites, the O4 Ground Station provides enterprise teams with the range, redundancy, and system flexibility needed to sustain mission-critical drone operations.

Its 12-antenna array with automatic multi-band frequency selection keeps transmission performance stable across variable environments, while dual operating modes allow it to function as either a networked base station or a standalone relay point depending on mission requirements.

Precision Infrastructure for Demanding Enterprise Missions

Wide-area transmission doesn't mean much if it breaks down when conditions get difficult. The O4 Ground Station is engineered to hold its link in environments that routinely defeat standard communication setups—dense urban corridors, tree-covered terrain, remote mountainous sites, and off-grid industrial locations.

Its high-output RF unit improves signal penetration and optimizes the signal-to-noise ratio for stronger reception in complex electromagnetic environments. Paired with an onboard 5-system GNSS and integrated RTK module delivering centimeter-level positioning, the O4 Ground Station gives field technicians the situational accuracy they need when coverage matters most.

Compatibility and System Integration

  • Gateway Mode: connects to DJI Dock 3 for networked base station operation and FlightHub 2 control.
  • Relay Mode: supports DJI Matrice 400 at up to 40 km (24.9 mi) transmission range unobstructed.
  • Relay Mode: supports DJI Matrice 4E, Matrice 4T, FlyCart 100, and Matrice 4D/4TD with RC Plus 2 Enterprise.
  • Network connectivity: Ethernet adaptive port requires 100 Mbps bandwidth and 100 ms or less latency.
  • 4G access: compatible with DJI Cellular Dongle 2 for deployments without fixed network infrastructure.
  • Camera integration: supports up to four 1080p H.264 streams via ONVIF and GB/T 28181 protocols.
  • Developer ecosystem: ESDK 2.0 and Cloud API enable third-party ADS-B and Remote ID integration via MQTT.

Applications and Use Cases

  • Remote inspection: extends transmission range for dock-based infrastructure inspection missions.
  • Public safety: supports continuous video relay in obstructed urban and suburban emergency response.
  • Site security: provides persistent aerial surveillance coverage across large or signal-challenged locations.
  • Search and rescue: maintains reliable communication links in mountainous or heavily vegetated terrain.
  • Off-grid operations: integrates with solar and photovoltaic systems for sustained power-independent deployment.
  • Enterprise fleet management: integrates with FlightHub 2 for multi-aircraft monitoring and Virtual Cockpit control.
  • Situational awareness: connects IP cameras via ONVIF for centralized ground-level monitoring alongside drone feeds.

The DJI O4 Ground Station addresses one of the most persistent operational challenges in enterprise drone deployment: maintaining reliable, high-quality video transmission across environments where standard links fail. Whether anchoring a dock-based inspection program or extending relay coverage for a multi-aircraft public safety operation, it delivers the infrastructure consistency that professional teams depend on.

DSLRPros has the enterprise experience to help you configure the DJI O4 Ground Station for your specific operational environment, from initial site assessment to full FlightHub 2 integration.

If your program depends on reliable long-range transmission, this is the infrastructure component that makes it work—order from DSLRPros today.

GNSS Receiver

  • GPS: L1C/A, L2C, L5
  • BDS: B1I, B2I, B3I, B1C, B2a, B2b
  • Galileo: E1, E5a, E5b, E6
  • GLONASS: L1, L2
  • QZSS: L1C/A, L2C, L5
  • L-Band support

System Accuracy

  • Single point accuracy (uncalibrated): Horizontal 1.5 m RMS, Vertical 3.0 m RMS
  • Satellite-based differential accuracy: Horizontal 30 cm RMS, Vertical 40 cm RMS
  • Satellite-based differential convergence time: 20 minutes
  • Network RTK calibration: Horizontal 1.0 cm RMS + 1 ppm
  • Network RTK calibration: Vertical 3.0 cm RMS + 1 ppm

Video Transmission

  • Video transmission system: DJI O4 Enterprise Enhanced Video Transmission System
  • Operating frequencies: 902 MHz–928 MHz
  • Operating frequencies: 1.430 GHz–1.444 GHz
  • Operating frequencies: 2.400 GHz–2.4835 GHz
  • Operating frequencies: 5.150 GHz–5.250 GHz
  • Operating frequencies: 5.725 GHz–5.850 GHz

Transmission Range

  • Matrice 400 to O4 Ground Station: Up to 40 km (IC)
  • Other supported aircraft to O4 Ground Station: Up to 30 km (IC)
  • Relay mode: Recommended within 1 km, maximum 3 km
  • Strong interference: Approximately 1.8–6 km
  • Medium interference: Approximately 6–18 km
  • Weak interference: Approximately 18–40 km
  • Buildings obstruction: Approximately 0–0.5 km
  • Trees obstruction: Approximately 0.5–3 km

Antenna

  • OcuSync 4 Pro external directional antennas ×4
  • OcuSync 4 Pro internal directional antennas ×8
  • 2.4G / 5.2G / 5.8G: 2T4R
  • Sub-2G: 2T2R
  • Reverse polarity SMA connector

Network Access

  • Ethernet access: Adaptive Ethernet port
  • Required bandwidth: ≥100 Mbps
  • Required latency: ≤100 ms
  • 4G access: Requires DJI Cellular Dongle 2

Power & Electrical

  • Power interface: WAN PoE-in
  • Power interface: LAN PoE-in
  • Ethernet cable requirement: Cat 6 or higher outdoor-rated waterproof cable
  • Maximum cable length: 100 m
  • Maximum power consumption: 65 W
  • Typical power consumption (Gateway mode): 17.1 W
  • Typical power consumption (Relay mode - Dock 3 / Matrice 4): 31.7 W
  • Typical power consumption (Relay mode - Matrice 400): 37.9 W
  • Low-power mode: 7 W

Supported Power Supply

  • DJI Dock 3 PoE output port
  • IEEE 802.3bt Type 4 (PoE++): 52–57 V, up to 99.9 W
  • IEEE 802.3bt Type 3 (PoE++): 50–57 V, up to 60 W
  • IEEE 802.3at Type 2 (PoE+): 50–57 V, up to 30 W

Backup Battery

  • Battery type: LiPo
  • Capacity: 3250 mAh
  • Energy: 23.4 Wh
  • Operating time (Gateway mode): Approximately 45 minutes
  • Operating time (Relay mode): Approximately 30 minutes
  • Fully charged runtime in Gateway mode: Approximately 2 hours
  • Supports 9 V or 12 V PD charging
  • Charge time: Approximately 2.5 hours with a 65 W PD charger

Physical Characteristics

  • WAN/LAN port surge protection: Up to 10 kA
  • RJ45 surge protection: 1.5 kA
  • Operating temperature (Type 4 PoE++): -40°C to 55°C
  • Operating temperature (Type 3 PoE++): -30°C to 55°C
  • Operating temperature (Type 2 PoE+): -20°C to 55°C
  • PoE auto wake-up: Supported
  • Cold-weather heating startup: Supported with Type 3 PoE++ or higher
  • Maximum altitude: 6000 m
  • Ingress protection rating: IP67
  • Impact protection rating: IK07
  • Dimensions: 170 × 170 × 352 mm
  • Weight: 2.68 kg

Mounting

  • Expansion bolt mounting: φ6 × 70 mm
  • M6 screw mounting: 60 mm hole center spacing

Supported Software

  • DJI Enterprise app
  • FlightHub 2
  • FlightHub 2 On-Premises Version
  • FlightHub Sync
  • DJI Cloud API

External Device Support

  • Supports cameras using ONVIF protocol
  • Supports cameras using GB/T 28181 protocol
  • Supports up to four simultaneous 1080p H.264 video streams

Open Ecosystem

  • ESDK 2.0
  • 1x DJI O4 Ground Station
  • 1x USB-C to USB-C Cable
  • 2x Ethernet Connector
  • 4x Expansion Bolts
  • 1x Installation Card
  • 1x Screws and Tools
What is the DJI O4 Ground Station and what does it do?

The DJI O4 Ground Station is an enterprise video transmission base station that extends the communication range and reliability of DJI OcuSync 4 drone systems. It supports two operating modes: Gateway Mode, which connects directly to DJI FlightHub 2 via Ethernet or 4G for networked operations, and Relay Mode, which extends transmission into areas with no network coverage or severe signal obstruction. It is designed for permanent or semi-permanent outdoor installation supporting dock-based and manually piloted enterprise missions.

How far can the DJI O4 Ground Station transmit?

In unobstructed, interference-free conditions under IC standards, the O4 Ground Station achieves up to 40 km (24.9 mi) when paired with the DJI Matrice 400 in Relay Mode, and up to 30 km (18.6 mi) with other compatible aircraft in Gateway Mode. In real-world conditions, range varies by interference level — from approximately 1.8 to 6 km in dense urban environments to 18 to 40 km in open or remote areas. Relay Mode range between the remote controller or Dock 3 and the O4 Ground Station is recommended within 1 km, with a maximum of 3 km.

What power supply options does the DJI O4 Ground Station support?

The O4 Ground Station is powered via PoE and supports IEEE 802.3bt Type 4 (PoE++), Type 3 (PoE++), and Type 2 (PoE+) standards, as well as direct power from the DJI Dock 3 PoE output port. Type 2 (PoE+) supports Gateway Mode only. It also integrates with solar and photovoltaic power systems for off-grid deployment. An onboard LiPo backup battery (3,250 mAh / 23.4 Wh) provides approximately 45 minutes of runtime in Gateway Mode following a sudden loss of primary power.

Can the DJI O4 Ground Station operate in extreme temperatures?

Yes. When powered by IEEE 802.3bt Type 4 (PoE++) supply, the O4 Ground Station operates in temperatures from -40°C to 55°C (-40°F to 131°F). Cold-weather heating startup is supported from -40°C to -20°C (-40°F to -4°F) when connected to a PoE supply of Type 3 (60W) or above. The 55°C upper limit accounts for solar radiation exposure, and at -40°C the device requires a windless environment for operation and auto-restart.

Does the DJI O4 Ground Station support third-party camera and ADS-B integration?

Yes. The O4 Ground Station supports up to four simultaneous 1080p H.264 IP camera streams using ONVIF and GB/T 28181 protocols, including PTZ camera control and centralized monitoring. Through its open ecosystem, ESDK 2.0 and Cloud API enable integration with third-party ADS-B receivers and Remote ID systems via MQTT protocol, making it suitable for advanced situational awareness and airspace monitoring workflows.

What is the difference between Gateway Mode and Relay Mode?

In Gateway Mode, the O4 Ground Station connects directly to DJI FlightHub 2 through Ethernet or the DJI Cellular Dongle 2, enabling Virtual Cockpit control, signal mapping, and extended deployment without requiring a separate relay device. Relay Mode is used when no network connection is available — the unit is deployed at an elevated location to extend video transmission in obstructed or offline environments, supporting aircraft like the DJI Matrice 400, Matrice 4E, Matrice 4T, FlyCart 100, and Matrice 4D/4TD with RC Plus 2 Enterprise.