Description
The DJI D-RTK 3 Relay Fixed Deployment Version (part CP.EN.00000552) is a permanently installed relay station for DJI Dock 3. Operating in relay mode only, it bridges the O4 Enterprise video and control link where buildings, terrain or vegetation block the direct path between the Dock and the Matrice 4D or 4TD, while also supplying centimetre-level RTK positioning data. It is powered and connected over a single PoE cable from the Dock 3’s third port (or a third-party IEEE 802.3at/bt PoE supply over up to 100 m of Cat 6), carries an internal 6500 mAh battery for around 2 hours of ride-through if PoE is lost, and is rated IP67 and -30 to 55 degrees C for fixed outdoor installation. DJI recommends it for obstructed Dock 3 sites.
Key features
- Relay-only O4 Enterprise station on 2.4, 5.2 and 5.8 GHz for DJI Dock 3
- Aircraft-to-relay range up to 25 km (FCC) / 10 km (CE) unobstructed; relay-to-Dock recommended within 1 km
- Supplies RTK positioning data to Matrice 4D and 4TD (1.0 cm + 1 ppm H, 3.0 cm + 1 ppm V with network RTK calibration)
- Single PoE cable for power and data: 802.3at Type 2 (30 W), 802.3bt Type 3 (60 W) or Type 4 (99.9 W, enables heating)
- IP67 with the dedicated PoE connector and cable; -30 to 55 degrees C operating range
- Internal 6500 mAh / 46.8 Wh battery, approximately 2 h ride-through after PoE loss
- Multi-constellation GNSS: GPS, BDS, Galileo, GLONASS, QZSS plus L-band
- Approximately 2.24 kg, 163 x 344 mm
Frequently asked questions
What does it work with?
DJI Dock 3 with the Matrice 4D and 4TD. DJI notes support for other Matrice 4 series aircraft is planned.
Does it work as a base station?
No. This version operates in relay mode only; it does not offer the base or rover modes of the standard D-RTK 3.
How is it powered?
Over PoE from the Dock 3’s third port or a third-party 802.3at/bt supply, with an internal battery held in preservation mode as backup.



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