1. Introduction

The GEPRC T-Cube18 O4 WTFPV is a new-generation micro FPV quadcopter built for pilots who want ultra-portable freestyle capabilities without sacrificing video quality or control performance. Equipped with DJI O4 digital FPV, 4K 60fps recording, and built-in ELRS 2.4G, this 18-size micro quad is surprisingly powerful for its miniature footprint.

GEPRC is well-known for producing premium BNF drones with excellent tuning out of the box, and the T-Cube18 continues that tradition—offering crystal-clear FPV, stable flight, and impressive durability in an ultra-compact frame ideal for both indoor and outdoor freestyle.

2. Design & Build Quality

Ultra-Compact 18-Size Frame

The Cube18 platform is designed for extreme portability while still maintaining a solid carbon structure.

DJI O4-Optimized Canopy

A custom canopy protects the O4 camera module and electronics, minimizing vibration for cleaner footage.

Durable Carbon Fiber Construction

Despite its size, the frame is rigid and highly crash-resistant—perfect for beginners and freestyle practice.

Lightweight Engineering

Optimized for long flight times and responsive handling.

Clean Interior Layout

GEPRC organizes wiring exceptionally well, reducing interference and improving airflow around the ESC/FC stack.

3. Installation / Setup & Usability

Plug-and-Play BNF

Comes pre-installed with:

• DJI O4 VTX system

• Built-in ELRS 2.4G receiver

• Pre-tuned Betaflight setup

You can bind and fly within minutes.

Easy ELRS Binding

Press bind button → link to your ELRS radio → done.

Compatible with DJI Goggles

Works seamlessly with DJI Goggles 2 and O4 protocol.

Battery Suggestions

Per manufacturer: recommended 1S or 2S LiPo (depending on configuration).
Super light packs improve agility and flight time.

4. Key Features

DJI O4 Digital FPV System

Next-gen 4K FPV capability with:

• Lower latency

• Clearer image

• Better dynamic range

• Strong anti-interference transmission

4K Video Recording (Up to 60fps)

Professional-grade onboard footage without needing a separate action camera.

Built-In ELRS 2.4G Receiver

Reliable, long-range, and ultra-low latency control.

High-Efficiency Power System

GEPRC-tuned motors + lightweight props deliver:

• Strong punch

• Tight control

• Smooth freestyle capability

Very Quiet Flight Profile

Ideal for indoor practice and neighborhood flying without drawing attention.

Betaflight Ready

Fully customizable flight characteristics.

5. Performance

Flight Feel

Surprisingly powerful for its size—snappy throttle response and locked-in handling.

Indoor & Outdoor Versatility

Small enough for tight indoor lines, yet powerful enough for outdoor micro-freestyle.

Video Quality

O4 system provides:

• Crisp detail

• Smooth digital FPV

• Excellent low-light handling

4K recording looks impressively stable for a micro quad.

Control Link Reliability

ELRS 2.4G offers industry-leading range and latency, giving pilots total confidence.

Durability

The frame and canopy handle crashes well—great for beginners or aggressive flying.

6. Pros

• DJI O4 FPV system with superior digital clarity

• 4K onboard recording (no need for an action cam)

• Built-in ELRS 2.4G for rock-solid control

• Extremely portable, lightweight, and quiet

• Ready-to-fly tuning from GEPRC

• Durable carbon frame and robust canopy

• Excellent for beginners, freestyle, and indoor practice

• Smooth, responsive flight performance

7. Cons

• Very small drones can be sensitive to wind

• Limited payload (cannot carry GoPro / big action cams)

• Shorter flight time than larger quads (physics limitation)

• DJI O4 system increases overall price

• Tight components make modding more difficult

8. Who Should Buy It?

The GEPRC T-Cube18 O4 WTFPV is perfect for:

• Pilots who want a portable micro quad with premium DJI digital FPV

• Beginners wanting a stable, crash-resistant drone

• Freestyle enthusiasts practicing tricks indoors or outdoors

• Travelers needing a small quad with high-quality 4K footage

• ELRS radio users

• Anyone wanting to fly without carrying a full-size quad

If you want an ultra-compact digital FPV quad with exceptional video quality, this is one of the best micro options available.

9. Personal Experience

The T-Cube18 O4 feels incredibly polished. Despite its tiny size, it delivers a locked-in flying experience similar to larger 2.5″ quads. The O4 camera is shockingly good—footage is smooth, crisp, and vibrant. The ELRS control link inspires confidence, and the drone feels durable enough to practice aggressive moves.

It’s the kind of quad you can keep in your backpack and fly anywhere.

10. Final Verdict

The GEPRC T-Cube18 O4 WTFPV Quadcopter is a top-tier micro FPV drone with outstanding video capability, excellent build quality, and reliable control performance. With DJI O4 digital FPV and built-in ELRS, it offers one of the most future-proof micro FPV experiences on the market.

👉 If you want a pocket-sized quad that delivers pro-level video and smooth freestyle performance, the T-Cube18 O4 is absolutely worth it.