Eachine EX4 - Appendix: Specifications; General Specifications; Optical Flow & Ultrasonic Systems

EX4 Operation Manual
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Appendix
Specification
Size Fold:
Unfold:
177*90*55 mm
（
L X W X H
）
177*196*70mm
（
L X W X H
）
Wheelbase
216 mm
Weight (Battery & Propellers
Included)
Approximately 435g
Max Ascent Speed
3 m/s
Max Descent Speed
1.5 m/s
Max Speed
8m/s (GPSmode)
Max Service Ceiling Above
Sea Level
5000 m
Max Flight Time
25 min
Max Total Travel Distance
7 km
Operating Temperature
Range
0°C~40°C
Satellite Positioning Systems
GPS/GLONASS
Hover Accuracy Range
vertical
：
+/- 0.5 m
± 0.2 m
（
ultrasonic system,optical flow system works
）
horizonal
：
+/- 1.5m
± 0.3 m
（
ultrasonic system,optical flow system works
）
Operating Frequency
5170-5190 GHz or 5735-5755 GHz
Maximum flight height
120m
，
maximum 500m (need to change setting on app)
Optical flow system
Operating Environment
Surface with clear pattern and adequate lighting (lux >10)
Velocity Range
≤2m/s at 6.6 ft (2 m) above ground
Altitude Range
0.5~5m
Ultrasonic altitude system
Operating Environment
except for surface of water or ground of absorbing material (such
as thick carpet)
Velocity Range
≤<2m/s
Altitude Range
0.5~3m
3-axis gimbal
Stabilization
3-axis Brushless mechanical Stabilization
Controllable Range
pitch
：
-90°~0°
Rotating range
Pitch
：
-120°~+45°
Roll
：
-30°~+30°
Course
：
-15°~+15°