DJI Relay for Agras (UK) — Stronger Link in Hedged & Hilly Fields
DJI Relay is a portable range-extension module for DJI Agras drones
(T50/T40/T25/T20P). Place it on a headland, ridge, or beside tall crops to help maintain a clean control/video link
when hedgerows, shelterbelts, buildings, or rolling ground get in the way. It’s built for fieldwork:
IP55 weather protection, 4 hrs internal battery (extendable with a PD power bank),
and quick setup for day-to-day farming operations in the UK.
Key benefits on UK farms
- Bridges line-of-sight gaps: Helps the controller “see” around hedges, woodland edges and small hills to reduce video stutter and control dropouts.
- Simple deployment: Power on, position on a tripod/vehicle or firm ground, and pair — ideal for orchards, maize, and steep pasture.
- All-day practicality: About 4 hours runtime from the internal battery; extend with a USB-C PD power bank for longer operations.
- Rugged design: IP55 dust/water resistance and CE-compliant 2.4/5.8 GHz operation for European use.
Compliance note: DJI Relay extends the radio link but does not change UK CAA requirements —
maintain VLOS and fly within your Operational Authorisation and site safety assessment.
Which DJI Agriculture drones is the Relay compatible with?›
The Relay module supports DJI Agras T50, T40, T25 and T20P drones. Ensure both the aircraft and the RC Plus controller are updated to the latest firmware before deployment.
How far can the DJI Relay extend the signal for farming drones?›
In ideal open‑sky conditions the Relay can provide up to ~4 km of range (CE region). In UK farmland with hedges, trees or buildings that may interfere, performance will be reduced; always test the link onsite.
Where should I place the Relay for crop spraying or spreading jobs?›
Position the Relay on elevated, clear ground such as a tripod, ridge, headland or vehicle roof. It should have clear line of sight to both the pilot and the drone. Avoid placing it behind metal sheds, dense foliage or low ground.
Does the DJI Relay allow me to fly beyond VLOS under UK rules?›
No. While the Relay enhances signal reliability and range, it does not override the UK Civil Aviation Authority VLOS requirement or your operational authorisation. Always fly within your authorisation limits.
How long does the Relay run and can I use external power supply?›
The unit includes an internal battery delivering up to ~4 hours of operation. You can extend this by using a USB‑C PD power bank or a suitable 5‑15 V external supply during long spray or spread sessions.
Is the DJI Relay weatherproof for UK field conditions?›
Yes. The unit is rated IP55 for dust and water resistance and is designed for outdoor agricultural use. Still, avoid full immersion and dry/inspect the unit after heavy rain or dusty jobs.
Will the DJI Relay help in orchards, maize or behind tree lines?›
Yes. By elevating the Relay above obstacles you can often restore a stable control and video link when flying in orchards, tall maize, near hedgerows or rolling terrain where direct line of sight is difficult.
Do I need one Relay per drone operation?›
Typically one Relay serves a single drone operation for best signal stability. For very large sites or multiple drones operating simultaneously you may need additional units or carefully planned placement.
How do I charge the Relay and how long does it take?›
Charge the unit via the supplied USB‑C adapter. The full charge takes approximately ~2 hours 20 minutes using the standard adapter. Charging time may vary depending on power source and condition.
Which frequency bands does the DJI Relay use in the UK?›
The unit operates on the 2.4 GHz and 5.8 GHz bands under CE regulations. It automatically synchronises with the DJI Agras system. Ensure your operation complies with UK radio spectrum rules.
DJI Relay — Technical Specifications
Model | RL01-65 |
---|---|
Dimensions | Approx. 120 × 110 × 100 mm |
Weight | ≤ 575 g |
Ingress Protection | IP55 |
Battery | Internal 6,500 mAh (approx. 4 hours runtime) |
Power Input | USB-C, 5–15 V (PD support). Typical charge time ~2 h 20 m on standard adapter. |
Power Consumption | Approx. 9–12 W (variant/region dependent) |
Frequencies (CE) | 2.4000–2.4835 GHz and 5.725–5.850 GHz |
Effective Distance* | Up to ~4 km (CE), best-case, unobstructed; site-dependent |
Compatibility | DJI Agras T50 / T40 / T25 / T20P |
Typical UK Use | Boost link for spraying/spreading behind hedges, shelterbelts, maize, orchards and rolling terrain; position on headlands/ridges for clear LoS. |
*Best-case distances are from controlled tests without interference/obstruction. Always verify on site and operate within CAA rules.
DJI Relay — Downloads & Resources (UK Agriculture)
Get up and running quickly with the official DJI Relay User Guide (PDF). It covers safe setup,
pairing with your DJI Agras drone, best-practice placement in hedged and hilly fields, LED/status
meanings, power/charging, and firmware updates — ideal for UK crop-spraying and spreading operations.
- Quick setup & pairing: power-on, activation, and linking to RC Plus/Agras.
- Field placement tips: headland/ridge positioning to regain line-of-sight around hedges and sheds.
- Status & indicators: LED meanings and common warnings.
- Power & runtime: internal battery usage, USB-C PD top-ups, charging guidance.
- Maintenance & storage: care, cleaning and weather considerations.
Download DJI Relay User Guide (PDF)
Note: Using DJI Relay improves link quality but does not change UK CAA requirements — maintain VLOS and
operate within your Operational Authorisation and site safety assessment.
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