Photo 1 of Dodoore GSM020 GNSS Performance Analyzer GPS+GLONASS Speedometer for RC Car Airplane Helicopter FPV Racing Drone Measurement/Max Speed/Average Speed/Distance/High and Vertical Velocity Tester

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Photo 1 of Dodoore GSM020 GNSS Performance Analyzer GPS+GLONASS Speedometer for RC Car Airplane Helicopter FPV Racing Drone Measurement/Max Speed/Average Speed/Distance/High and Vertical Velocity TesterPhoto 2 of Dodoore GSM020 GNSS Performance Analyzer GPS+GLONASS Speedometer for RC Car Airplane Helicopter FPV Racing Drone Measurement/Max Speed/Average Speed/Distance/High and Vertical Velocity Tester