DJI Dock Comparison

DJI Dock 4

DJI Dock 3

66 kg (without batteries in the battery compartment, aircraft not included)

^{The actual product weight may vary due to differences in batch materials and external factors.}

55 kg (without aircraft)

^{The actual product weight may vary due to differences in batch materials and external factors.}

Dock Cover Opened: 1750×640×550 mm (L×W×H)
Dock Cover Closed: 639×640×836 mm (L×W×H)

^{All data includes the wind speed gauge height (145 mm) and mounting base brackets (69 mm).}

Dock Cover Opened: 1760×745×485 mm (L×W×H)
Dock Cover Closed: 640×745×770 mm (L×W×H)

^{All data includes the RTK module width (160 mm), wind speed gauge height (145 mm), and mounting base brackets (58 mm).}

Max 2000 W

Max 800 W

-40° to 50° C (-40° to 122° F)

-30° to 50° C (-22° to 122° F)

5000 m

4500 m

Supported via DJI O4 Ground Station
GPS: L1C/A, L2C, L5
BDS: B1I, B2I, B3I, B1C, B2a, B2b
GLONASS: L1, L2
Galileo: E1, E5a, E5b, E6
QZSS: L1C/A, L2C, L5
L-Band

Simultaneously receive:
GPS: L1 C/A, L2, L5
BeiDou: B1l, B2l, B3l, B2a, B2b, B1C
GLONASS: F1, F2
Galileo: E1, E5a, E5b, E6
QZSS: L1, L2, L5

Battery Swapping + Wireless Charging

Wireless Charging

< 25 s

^{Time elapsed from when the Dock Cover is fully closed to the completion of the battery swap. This data was measured in a controlled test environment and is for reference only.}

N/A

< 45 s

^{Time elapsed from when the aircraft lands from the previous flight to when it completes the battery swap and takes off again. This data was measured in a controlled test environment and is for reference only.}

N/A

3

^{The dock is equipped with four battery compartments. To ensure smooth operation of the battery swapping mechanism, a maximum of three batteries may be stored across all compartments at any given time.}

N/A

2

N/A

Per-channel output voltage: 15-25.8 V DC

35 V DC

Per-battery charging time: 27 minutes

^{Time required to charge the battery in the battery compartment from 15% to 95% level in a 25° C (77° F) environment.}

27 minutes

^{The data was measured when charging the aircraft (when powered off) from 15% to 95% in a 25° C (77° F) environment.}

DJI O4 Enterprise Enhanced Video Transmission System

DJI O4+ Enterprise

High-speed Wi-Fi connection:
2.4000-2.4835 GHz: < 23 dBm (IC), < 20 dBm (CE/SRRC/MIC)
5.7250-5.8500 GHz: < 23 dBm (IC/SRRC), < 14 dBm (CE)

DJI O4 Enterprise Enhanced Video Transmission System:
Supported via DJI O4 Ground Station
902 MHz to 928 MHz: < 30 dBm (IC), < 16 dBm (MIC)
1.430 GHz to 1.444 GHz: < 35 dBm (SRRC)
2.400 GHz to 2.4835 GHz: < 33 dBm (IC), < 20 dBm (CE/SRRC/MIC)
5.150 GHz to 5.250 GHz: < 21 dBm (IC)
5.170 GHz to 5.250 GHz: < 23 dBm (CE)
5.725 GHz to 5.850 GHz: < 33 dBm (IC), < 14 dBm (CE), < 30 dBm (SRRC)

^{The supported operating frequency bands and their corresponding availability vary by country/region. For details, please refer to local laws and regulations.}

2.400-2.4835 GHz: < 33 dBm (FCC), < 20 dBm (CE/SRRC/MIC)
5.2 GHz (CE: 5.170-5.250 GHz): < 23 dBm (FCC/CE)
5.8 GHz: < 33 dBm (FCC); < 14 dBm (CE); < 30 dBm (SRRC)

^{The supported operating frequency bands and their corresponding availability vary by country/region. For details, please refer to local laws and regulations.}

High-speed Wi-Fi connection: Single antenna
DJI O4 Enterprise Enhanced Video Transmission System: Integrated into the O4 Ground Station
OcuSync 4 Pro external directional antenna × 4
OcuSync 4 Pro internal directional antenna × 8
2.4G/5.2G/5.8G: 2T4R
sub2G: 2T2R
4G Antenna × 2

Built-in 9 antennas, 2T4R, supports intelligent switching

Backup power is supplied by the aircraft battery housed in the dock battery compartment.

Built-in backup battery

12138 mAh

12 Ah

21.42 V

12 V

LiNiMnCoO2

Lead-acid battery

Operating time per battery: approx. 4.5 hours
Supports sequential power supply across three batteries

^{Measured in a 25° C (77° F) environment with the backup battery discharged from 90% to 10%. After a power outage, the dock does not support functions like aircraft charging, air conditioning operation, and wind speed gauge heating. Please restore power promptly.}

> 4 hours

^{Measured with a fully charged backup battery in a 25° C (77° F) environment. After a power outage, the dock does not support functions like aircraft charging, air conditioning operation, dock cover heating, and wind speed gauge heating. Please restore power promptly.}

Requires connection to DJI O4 Ground Station
Adaptive Ethernet port; Gigabit network is recommended, with both uplink and downlink bandwidth > 20 Mbps, preferably > 40 Mbps (when no other peripherals are connected), and network latency ≤ 100 ms for a better user experience.

^{If these requirements are not met, the device may go offline or experience video stuttering.}

10/100/1000Mbps adaptive Ethernet port

Requires use with DJI Cellular Dongle 2 (installed on DJI O4 Ground Station).

^{Sold separately. This service is not available in some countries and regions. Please consult your local dealer for details.}

Requires DJI Cellular Dongle 2

^{Sold separately. This service is not available in some countries and regions. Please consult your local dealer for details.}

DJI Enterprise app (for on-site setup, testing, remote operations, live viewing, and one-tap drone dispatch)

DJI Enterprise app (used with Android phones for deployment and commissioning)

^{From the DJI Dock 3 specifications (enterprise.dji.com/dock-3/specs). The DJI comparison page lists: DJI Enterprise app (for on-site setup, testing, remote operations, live viewing, and one-tap drone dispatch)}

Supported via the DJI O4 Ground Station, with support for data communication through external switches.

Supports data communication with external switches