Overview
DeepSpace SEEKER3 is a 3-inch freestyle FPV drone platform in DC/XL configurations with a PNP build, 4S battery support, and a lightweight design targeting <250 g takeoff weight. It supports video-system builds including DJI O4 Air Unit PRO (compatible with O3 Air Unit) as well as Analog options, and uses a front-mounted GPS module layout designed to reduce interference for faster satellite acquisition.
Key Features
- DC and XL types: wide, unobstructed view
- Front-mounted GPS module design to avoid interference for quick satellite acquisition and quantity
- 10th-gen chip GPS standard configuration
- Lightweight design: <250 g (noted with a 4S 650mAh battery weighing less than 74 g; GPS module not included in that weight note)
- Equipped with O4 Air Unit PRO; “No jello” (as stated)
- CNC aluminum alloy side plates for lens protection
- BL32 high-performance stack; brand new 1505 motor
- O4 Air Unit PRO highlights shown: 1/1.3 image sensor; 4K 120fps; 10-bit D-log M; 155° ultra wide perspective; 15 km farthest image transmission distance
Specifications
| Model / Type | DeepSpace SEEKER3 / Seeker3 |
| Class | 3-inch freestyle FPV drone |
| Configuration | DC / XL |
| Build Type | PNP |
| Weight | 175 g ±2 g |
| Battery Support | 4S |
| Recommended Battery | 4S 650-1100mAh |
| Battery Interface | XT30 |
| Wheelbase | 139 mm |
| Prop | HQ T3X3X3 |
| Motor | Aether 1505 KV4000 |
| ESC | BL32 40A |
| Flight Controller (FC) | STM32F722 |
| Gyro | Dual ICM 42688-P |
| Blackbox | 16MB |
| VTX System | DJI O4 Air Unit PRO (compatible O3 Air Unit); Analog option available |
| Receiver | ELRS 2.4G / TBS 915 Receiver |
| Max LiPo Size | 72 x 26 x 33 mm |
What’s Included
- Seeker 3 x 1
- Battery strap x 2
- HQ 3*3*3 x 2
- Accessory bag x 1
Notes
- For O4 PRO builds, the O4 PRO unit will be activated before shipment.
- For product selection help (DC/XL, O4 PRO vs Analog) or setup questions, contact https://rcdrone.top/ or email support@rcdrone.top.
Details

The DeepSpace SEEKER3 FPV drone supports up to 4K 120fps recording and lists a takeoff weight under 250 g.

The SEEKER3 uses a front-mounted GPS module and is equipped with an O4 Air Unit Pro for a tidy, forward-facing setup.

The SEEKER3 3-inch freestyle FPV setup features a lightweight under-250g build and is equipped with an O4 Air Unit PRO.

A 155° ultra-wide perspective pairs with a 1/1.3 sensor, 4K 120fps recording, and 10-bit D-Log M color mode for FPV footage.

CNC aluminum alloy side plates add protection around the camera lens, and the SEEKER 3 frame is shown with a 139 mm wheelbase.

Seeker3 specs list a 139mm wheelbase, BL32 40A ESC, STM32F722 FC, dual ICM42688-P gyro, and XT30 battery lead.

The DeepSpace SEEKER3 uses a compact carbon frame with a clean top-plate layout and dual antennas for tidy routing on a 3-inch freestyle build.

The package includes 1 Seeker 3 quad, 2 battery straps, 2 sets of HQ 3×3×3 propellers, and 1 accessory bag.
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