• Oasisfly25 2.5in HD O3 quadcopter angled view showing top plate, XT30 battery lead, and four prop guards
  • Sub250 Oasisfly25 2.5 inch HD O3 freestyle quadcopter, front-left angle with camera and stub antenna
  • Top-down view of 135mm wheelbase 2.5 inch quad frame with four motors and teal rear bumper
  • Front-right perspective of the quad showing camera cage, carbon frame arms, and rear-mounted antenna
  • Low front angle showing the FPV camera mount, propellers, and compact 2.5 inch freestyle frame
  • Top view showing the teal front bumper block and symmetric motor/prop layout on the 2.5 inch quad
  • Rear-left angle showing the rear teal housing, stacked electronics area, and carbon frame arms
  • Overhead profile view showing camera cage at front, battery lead on top, and teal rear housing
  • Underside angled view of the quad showing bottom plate hardware, motor mounts, and prop orientation
  • Angled rear view focusing on the electronics stack area, top plate, and teal rear protective housing
  • Overhead side view with side-mounted antenna extended, showing top plate layout and front camera cage
  • Diagonal underside view showing bottom frame, wiring near the center, and side-mounted antenna module
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Sub250 Oasisfly25 2.5 Inch HD O3 Freestyle Quadcopter, 135mm Wheelbase, RedFox A3 F722 AIO

Sub250 Oasisfly25 2.5 Inch HD O3 Freestyle Quadcopter, 135mm Wheelbase, RedFox A3 F722 AIO

sub250

$535.59 USD
$535.59 USD
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Overview

The Sub250 Oasisfly25 is a 2.5-inch HD O3 freestyle quadcopter built on the SUB250-Oasis frame with a 135mm wheelbase. It is configured with an O3 Air Unit VTX and O3 camera, SUB250 1404 4500KV motors, and HQ2.5x2.5x3 propellers, and supports multiple receiver options (PNP / TBS NanoRX / ELRS 2.4G). The frame is also stated to accommodate the Walksnail Moonlight camera.

Key Features

  • VTX: O3 Air Unit; Camera: O3 camera
  • Receiver options: PNP / TBS NanoRX / ELRS 2.4G (also shown: PNP/ELRS/TBS)
  • Motors: SUB250 1404 4500KV
  • Propellers: HQ2.5x2.5x3
  • Connector: XT30
  • Note: Side panel is not included
  • Shown note for other configurations: a version without VTX allows flexible pairing of VTX and receivers; compatible with analog/HD version VTX; receiver choice shown as 915M or 2.4G

For build/receiver selection help and after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.

Specifications

Product name Oasisfly25
Frame SUB250-Oasis Frame (also shown: Oasisfly25 frame)
Wheelbase 135mm
Roof thickness 2mm
Bottom plate 2.5mm
Upper bottom plate 2.5mm
Arm thickness 2.5mm
VTX O3 Air Unit (also shown: DJI O3 Air UNIT)
Camera O3 camera
Antenna 5.8G / 2.4G
Motor SUB250 1404 4500KV
Propellers HQ2.5x2.5x3
Flight controller / AIO RedFox A3 F722 (also stated as “Redfox A3 F722 45A”; specification card shows “Sub250 RedFox A3 35A AIO”)
MCU STM32F722
ESC 35A & BLHeli_32
OSD AT7456E
Gyro ICM42688-P
Weight 171g ±5g (also shown: 174g without battery)
Recommended battery Lipo 4S 530-730mah (not included); also shown: 4S 530mah / 4S 660mah / 4S 720mah
Flight time 4min (actual time varies with flying style)
Connector XT30

What’s Included

  • 1 x Oasisfly25 drone
  • 1 x HQ2.5x2.5x3 (1 pair)
  • 2 x M15*150mm battery cable tie
  • 1 x Spare screw bag
  • 1 x L-shaped screwdriver (1.5mm)
  • 1 x L-shaped screwdriver (2mm)

Notes

  • Side panel is not included.
  • Difference note (Oasisfly30 vs Oasisfly25): arm and printing accessories are different.

Manuals / Downloads

Videos

Details

Sub250 Oasisfly25 2.5-inch HD O3 freestyle quadcopter with O3 camera and compact 135mm frame

Built for HD freestyle, Oasisfly25 pairs the O3 Air Unit system with a compact 2.5-inch platform.

Oasisfly25 HD quad with receiver/VTX configuration note for PNP, ELRS 2.4G, or TBS options

Choose the receiver option that fits your radio setup, with configurations available for different VTX and budget needs.

Sub250 Oasisfly25 specifications card with wheelbase, weight, O3 Air Unit, and RedFox A3 F722 AIO details

Key specs at a glance include a 135mm wheelbase, O3 Air Unit video system, and RedFox A3 F722 AIO electronics.

Front three-quarter view of the Oasisfly25 2.5-inch quadcopter with teal motor guards and front camera mountTop and angled views highlighting the Oasisfly25 layout, XT30 lead, and 2.5-inch tri-blade prop setup

A clean top-mounted layout keeps wiring tidy while leaving room for the battery strap and HD electronics.

Rear and side views of the Oasisfly25 frame showing motor spacing and raised rear antenna mountOasisfly25 package contents with spare screws, tools, battery straps, stickers, and extra 2.5-inch propellers

Included accessories cover the basics for setup and upkeep, including spare hardware, tools, straps, and extra props.

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