P4 Multispectral

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Features

  • Multispectral Imaging System
  • Live NDVI View
  • RTK Module
  • TimeSync

Specifications

 Aircraft
Takeoff Weight
1487 g

Diagonal Distance (Propellers Excluded)
350 mm

Max Service Ceiling Above Sea Level
19685 ft (6000 m)

Max Ascent Speed
6 m/s (automatic flight); 5 m/s (manual control)

Max Descent Speed
3 m/s

Max Speed
31 mph (50 kph) (P-mode); 36 mph (58 kph) (A-mode)

Max Flight Time
Approx. 27 minutes

Operating Temperature
0° to 40° C (32° to 104° F)

Operating Frequency
2.4000 GHz to 2.4835 GHz (Europe, Japan, Korea)
5.725 GHz to 5.850 GHz (Other countries/regions)[1]

Transmission Power (EIRP)
2.4 GHz: < 20 dBm (CE / MIC / KCC)
5.8 GHz: < 26 dBm (FCC / SRRC / NCC)

Hover Accuracy Range
RTK enabled and functioning properly:
Vertical: ± 0.1 m; Horizontal: ± 0.1 m

RTK disabled:
Vertical: ± 0.1 m (with vision positioning); ± 0.5 m (with GNSS positioning)
Horizontal: ± 0.3 m (with vision positioning); ± 1.5 m (with GNSS positioning)

Image Position Compensation
The relative positions of the centers of the six cameras’ CMOS and the phase center of the onboard D-RTK antenna have been calibrated and are recorded in the EXIF data of each image.

Mapping Functions
Ground Sample Distance (GSD)
(H/18.9) cm/pixel, H indicates the aircraft altitude relative to the area mapped (unit: m)

Rate of Data Collection
Max operating area of approx. 0.63 km2 for a single flight at an altitude of 180 m, i.e., GSD is approx. 9.52 cm/pixel, with a forward overlap rate of 80% and a side overlap ratio of 60%, during a flight that drains the battery from 100% to 30%.

Gimbal
Controllable Range
Tilt: -90° to +30°

Camera
Sensors
Six 1/2.9” CMOS, including one RGB sensor for visible light imaging and five monochrome sensors for multispectral imaging.
Each Sensor: Effective pixels 2.08 MP (2.12 MP in total)

Filters
Blue (B): 450 nm ± 16 nm; Green (G): 560 nm ± 16 nm; Red (R): 650 nm ± 16 nm; Red edge (RE): 730 nm ± 16 nm; Near-infrared (NIR): 840 nm ± 26 nm

Lenses
FOV (Field of View): 62.7°
Focal Length: 5.74 mm (35 mm format equivalent: 40 mm), autofocus set at ∞
Aperture: f/2.2

Max Image Size
1600×1300 (4:3.25)

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