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Sub250 OasisFly35 DC O4 Pro GPS Freestyle Quadcopter (175mm) 1804 3450KV RedFox A3 45A AIO

Sub250 OasisFly35 DC O4 Pro GPS Freestyle Quadcopter (175mm) 1804 3450KV RedFox A3 45A AIO

Sub250

Regular price $620.99 USD
Regular price Sale price $620.99 USD
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Overview

The Sub250 OasisFly35 DC O4 Pro GPS Freestyle Quadcopter is a 3.5-inch FPV quad platform built around a DC frame design for cleaner visuals, with multi-VTX compatibility (Analog / O3 / O4 Pro) and GPS standard on all models for added flight confidence and RTH (GPS Rescue) support. For configuration help, please contact support@rcdrone.top or visit https://rcdrone.top/.

Key Features

  • Multi-VTX compatible: supports Analog / O3 / O4 Pro VTX options for flexible setups and switching between scenarios.
  • DC frame design for unobstructed visuals and a more immersive FPV view.
  • Integrated printed side plates: protect internal electronics from debris, refine aerodynamics, and enhance cooling with directed airflow.
  • Power system: 1804 motors paired with an efficient 45A ESC for responsive power delivery.
  • GPS standard on all models; supports activating GPS Rescue via RC or preset conditions for flight safety in complex environments.
  • Lens mount: CNC-machined high-strength 7-series aluminum for reinforced protection of the camera and airframe during impacts.
  • Support 4K 120fps (as stated for the platform).

Specifications

OasisFly35 DC O4 Pro Version

Model OasisFly35 DC O4 Pro Version
Wheelbase 175mm
Arm thickness 3.5mm
Bottom plate 1.5mm
Mid plate 2.5mm
Top plate 2.0mm
Motor mounting pattern 9*9mm / 12*12mm
VTX DJI O4 Pro
Motor 1804 3450KV
Flight controller / AIO RedFox A3 45A AIO
ESC firmware BLHeli_32
MCU STM32F722
IMU ICM42688-P
Propeller HQ 3.5*3.5*3
Receiver ELRS/PNP
GPS SUB-M10
Recommended battery 4S 530mAh
Power connector XT30
Body weight 194g
Takeoff weight 245g (with 4S 530mAh battery)
Max flight time 5min 20s
FC firmware Betaflight_4.5.2-SUB250REDFOXF722AIO

OasisFly35 DC WTFPV

Model OasisFly35 DC WTFPV
Wheelbase 175mm
Arm thickness 3.5mm
Bottom plate 1.5mm
Mid plate 2.5mm
Top plate 2.0mm
Motor mounting pattern 9*9mm / 12*12mm
VTX /
Motor 1804 3450KV
Flight controller / AIO RedFox A3 45A AIO
ESC firmware BLHeli_32
MCU STM32F722
IMU ICM42688-P
Propeller HQ 3.5*3.5*3
Receiver ELRS/PNP
GPS SUB-M10
Recommended battery 4S 530mAh
Power connector XT30
Body weight 162g
Takeoff weight 213g
Max flight time /
FC firmware Betaflight_4.5.2-SUB250REDFOXF722AIO

OasisFly35 DC Analog Version

Model OasisFly35 DC Analog Version
Wheelbase 175mm
Arm thickness 3.5mm
Bottom plate 1.5mm
Mid plate 2.5mm
Top plate 2.0mm
Motor mounting pattern 9*9mm / 12*12mm
VTX Sub250 Send T1600 & Caddx H1
Motor 1804 3450KV
Flight controller / AIO RedFox A3 45A AIO
ESC firmware BLHeli_32
MCU STM32F722
IMU ICM42688-P
Propeller HQ 3.5*3.5*3
Receiver ELRS/PNP
GPS SUB-M10
Recommended battery 4S 530mAh
Power connector XT30
Body weight 188g
Takeoff weight 239g
Max flight time 7Min
FC firmware Betaflight_4.5.2-SUB250REDFOXF722AIO

What’s Included

O4 PRO Version – Product List (Not Including batteries)

  • 1 × GPS Setup Manual
  • 1 × Sub250 RedFox A3 AIO Manual
  • 1 × Sub250 Rear Silicone Strap with Zinc-Alloy Buckle (11×170 mm)
  • 1 × HQ T3.5×3.5×3 Propellers (2 CW + 2 CCW)
  • 1 × Sub250 Redfox A3 AIO USB-C Adapter Board
  • 1 × 45 mm Dual-End SH1.0-5P Cable
  • 1 × Sub250 Merchandise Sticker
  • 1 × Sub250 Drone Series Sticker
  • 1 × Battery Anti-Slip Pad
  • 1 × Sub250 OasisFly35 Lens Silicone Pad (50°)
  • 1 × Landing Gear Vibration-Damping Pad (Pack)
  • 1 × L-Shaped Hex Wrench (1.5 mm)
  • 2 × M2×4×22 Aluminum Textured Standoff (Black)
  • 1 × Spare Screw Pack
  • 1 × OasisFly35 DC Analog Camera Mount (3D Print)
  • 1 × Right Side Plate (Large)
  • 1 × Left Side Plate (Large)
  • 1 × Right Rear Side Plate
  • 1 × Left Rear Side Plate
  • 4 × TPU Landing Pads

Note: The OasisFly35 DC shown is the O4 Pro ELRS 2.4G version; actual accessories may vary by configuration.

Applications

  • Freestyle practice
  • Motion follow
  • Outdoor cinematics
  • Commercial filming

Manuals

  • GPS Setup Manual (included)
  • Sub250 RedFox A3 AIO Manual (included)

Videos

Details

Sub250 OasisFly35 DC O4 Pro GPS freestyle quadcopter, 3.5-inch FPV build with DC frame design

OasisFly35 DC O4 Pro pairs a clean-view DC frame with GPS support for confident freestyle flights.

Close-up of OasisFly35 DC printed side plates for debris protection and directed cooling airflow

Integrated printed side plates help protect electronics while improving airflow for cooling and aerodynamics.

CNC-machined 7-series aluminum camera lens mount on the OasisFly35 DC for added impact protection

A CNC 7-series aluminum lens mount reinforces the front end to better protect the camera in hard landings.

Front section detail highlighting multi-VTX compatibility for analog, O3, and O4 Pro configurations

Multi‑VTX compatibility makes it easy to build around Analog, O3, or O4 Pro video setups.

Exploded view of 1804 brushless motor components used on the OasisFly35 DC 3.5-inch quad

The 1804 motor platform is tuned for responsive thrust on a compact 3.5-inch freestyle build.

GPS module mounted on the quadcopter frame, with wiring routed near the camera and top plate

GPS comes standard, supporting GPS Rescue setup for extra peace of mind when flying in complex areas.

Top-down view of the OasisFly35 DC frame and prop layout designed for an unobstructed FPV camera view

The DC frame layout is designed to keep the prop line out of view for cleaner HD footage.

OasisFly35 DC lineup showing O4 Pro, Analog, and WTFPV versions side by side

Choose the version that matches your gear and flying style, from HD to analog setups.

Graphic showing freestyle practice, motion follow, outdoor cinematics, and commercial filming use cases

Built to handle everything from practice sessions to smooth cinematic cruising.

Specifications table for OasisFly35 DC versions, including wheelbase, motors, AIO, receiver, and weight

A full spec breakdown helps you compare the O4 Pro, Analog, and WTFPV builds at a glance.

Product display on white background: OasisFly35 DC quadcopter front view and side profile

A clear look at the compact 3.5-inch layout, camera position, and antenna placement.

Angled and rear views of OasisFly35 DC showing top plate, arm layout, and electronics stack area

Multiple angles highlight the frame geometry and protected component placement.

Top view of the quadcopter with four 3-blade props and rear antennas on the OasisFly35 DC framePackage contents layout with quadcopter, spare props, frame parts, hardware, and accessories

Details