Product overview
The ComNav E300 RTK Drone is an aerial survey flight platform built around a four-propeller quadcopter and the K8 GNSS platform. Its intended work includes topographic surveying, urban construction, forestry investigation, emergency rescue, 3D modeling and mining surveying. ComNav describes RTK and PPK as complementary backup methods and claims centimeter-level photo positioning without ground control points. Published accuracy is 8 mm + 1 ppm horizontally and 15 mm + 1 ppm vertically for either mode.
The aircraft has a swappable payload bay, with C20, C50 and LiAir VH2 listed as compatible examples. This establishes a modular integration approach. Published aircraft dimensions are 520 × 520 × 240 mm unfolded and 520 × 160 × 240 mm folded. Weight is listed as 1.8 kg without payload, payload capacity as up to 3 kg, and maximum take-off weight as 6.5 kg; the selected equipment configuration needs confirmation.
An operational drone platform with automatic take-off and landing, route generation, manual route editing and KML import, rather than describing an airframe-only kit. Maximum flight time is published as 60 min without payload and 50 min with a 1 kg payload, so the longer figure should retain its payload qualification. Key-module redundancy is a stated design feature. Published flight, wind and temperature limits provide procurement reference values.
Specifications
| Specification | Value & conditions |
|---|---|
| Product purpose and positioning | ComNav E300 RTK Drone; K8-based UAV solution for centimeter-level photo positioning, topographic survey, urban construction, forestry investigation, emergency rescue, 3D modeling and mining surveying. |
| Drone type | Quadcopter with 4 propellers |
| Work mode | RTK / PPK |
| Take-off and landing | Automatic |
| Maximum flight time | 60 min without payload; 50 min with 1 kg payloadMaximum flight time is differentiated by payload: without payload or with a 1 kg payload. |
| Measurement radius | 10 km |
| Assembly time | Start less than 1 min / finish less than 1 min |
| Maximum level flight speed | 20 m/s |
| Maximum climb speed | 6 m/s |
| Maximum cruise speed | 15 m/s |
| Maximum flight altitude | 1000 m |
| Wind resistance | 17.1 m/sec (level 7) |
| GPS | L1 C/A, L2C, L2P, L5 |
| BeiDou | B1, B2, B3 |
| BeiDou Global | B1C, B2a |
| GLONASS | L1 C/A, L1P, L2 C/A, L2P |
| Galileo | E1, E5a, E5b, E5 AltBOC, E6 |
| QZSS | L1C, L2, L5, L1C/A |
| RTK accuracy | Horizontal: 8 mm + 1 ppm; vertical: 15 mm + 1 ppmPublished for RTK operation, with separate horizontal and vertical values. |
| PPK accuracy | Horizontal: 8 mm + 1 ppm; vertical: 15 mm + 1 ppmPublished for PPK operation, with separate horizontal and vertical values. |
| Aircraft size | 520 × 520 × 240 mm unfolded; 520 × 160 × 240 mm foldedDimensions depend on whether the aircraft is unfolded or folded. |
| Working temperature | -30°C ~ 50°C |
| Weight without payload | 1.8 kgPublished weight excludes payload. |
| Payload | Up to 3 kgPublished upper payload limit; confirm the selected payload and aircraft configuration. |
| Maximum take-off weight | 6.5 kg |
| Size of box | 580 × 360 × 200 mmPublished box dimensions, distinct from aircraft dimensions. |
| Safety and efficiency | Redundancy design on key modules; advertised 60 min working time.Redundancy is a manufacturer design claim. The specification table qualifies 60 min as flight time without payload and gives 50 min with a 1 kg payload. |
| Payload integration | Swappable payload bay; named compatible examples include C20, C50 and LiAir VH2.Named payloads are compatibility examples. |
| GNSS architecture | K8 GNSS module with RTK/PPK mutual backup, claimed centimeter-level positioning without ground control points, antenna-offset correction and EVENT synchronization to reduce camera-trigger error.Positioning and redundancy claims. |
| Route planning | Automatic route generation, manual route editing and KML file import |
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