RadioMaster GX12 Dual-Band Radio Controller

The RadioMaster GX12 arrives as a confident leap forward for pilots who demand more from their gear—more openness, more refinement, and more trust in the link between hands and machine. Built on the momentum of community-driven innovation, it blends cutting-edge radio technology with an open ethos, letting pilots shape their controller to match their flying style and mission without compromise.

The GX12 embraces open-source at its core, inviting pilots to customize, iterate, and evolve their setups with minimal friction. From a flexible, scriptable interface to deep integration with popular open ecosystems, it empowers creators to tailor everything from UI flows to mixes and macros for complex aircraft. Its architecture prioritizes extensibility, making it easy to adapt to new protocols, modules, and workflows as the community pushes forward. The result is a controller that feels alive—updated frequently, improved transparently, and tuned by people who fly. Whether you’re optimizing stick feel, streamlining preflight checks, or building advanced failsafe logic, the GX12 delivers a platform that grows with you rather than locking you in.

The RadioMaster GX12 sets a new benchmark for open, high-performance radio control—pairing community-driven customization with ironclad reliability for racing, FPV, and professional production. It is a forward-looking tool that respects the pilot’s craft, elevating every session with confidence, clarity, and control. Welcome to the future of radio controllers—elevate your RC experience with open-source power and precision.

Features

• Dual-Band Dual 1W Gemini Xrossband ExpressLRS Transmitters: Experience unmatched range and reliability with ExpressLRS Gemini Xrossband (Gem-X) dual-band transmission capabilities.
• Integrated Folding Dual-Band Antennas: Sleek design with foldable antennas for easy transport and storage; Compatible with both 2.4GHz and Sub-G 900MHz frequencies.
• GX01 Gimbals -Fully CNC Aluminum 3D Digital Hall Sensor Gimbals: Precision-engineered aluminum gimbals with 3D Hall sensors for superior control and durability.
• 1000Hz Digital Gimbals with EdgeTX Sync: Achieve exceptional precision and responsiveness with high-frequency digital gimbals featuring EdgeTX sync.
• Folding Gimbal Sticks: Foldable gimbal sticks for convenient storage and transport.
• Removable Switch Panels: Customize your setup with our modular switch panels, allowing for easy switch changes to suit your preferences.
• DIY SMA Ports: Enjoy flexibility in antenna installation with SMA port integration.
• OLED Display: Crisp and clear OLED with high contrast display.
• Internal Storage: 512MB of integrated high-speed flash storage—no need for TF cards!
• USB-C Connectivity: The GX12 features a single USB-C port that manages smart balance charging, SIM connectivity,  firmware updates and direct access to the integrated high speed flash memory.
• Integration of programmable 6-Position Switch : Individually programmable 6-position switches offer versatile control options tailored to your unique setup.
• Programmable RGB Indicators on 6-Position and SA/SD Switches: Customizable RGB lights provide visual feedback on switch status.
• Powerful Efficient Cooling System: With dual 1-watt transmitters, the GX12 boasts serious power, featuring an advanced cooling system to keep your radio cool even on the hottest days.
• PCB Nano coating: Engineered for the Extremes! The GX12 is built to thrive in demanding environments. With thicker plastics and a hydrophobic PCB coating, this controller is designed to withstand hot, cold, dry, and humid conditions. Count on the GX12 to deliver, no matter where your adventures take you!

((!)) Note: This is a Mode 2 RadioMaster GX12. 18650 and 21700 Batteries are NOT included.
((!)) Note: ExpressLRS Version.