RadioMaster GX12 Dual-Band Gemini-X Radio Controller (M2) from the Radiomaster brand — a professional drone remote controller designed for FPV flights, drone racing, and aerial photography. The GX12 combines advanced ExpressLRS and EdgeTX solutions, ensuring simultaneous dual-band operation and high communication reliability, as well as a wide range of hardware and software capabilities for precise control.

Key Features

• Dual-Band Gemini Xrossband (Gem-X): simultaneous transmission on 2.4 GHz and Sub-G 900 MHz with two 1W antennas for maximum range and signal stability.
• Integrated Foldable Dual-Band Antennas: compact for transport and optimized for both bands.
• GX01 Gimbals: CNC machined aluminum gimbals with 3D Hall sensors for high precision and durability.
• 1000 Hz Digital Gimbals with EdgeTX Sync: extremely fast response and high-resolution control.
• Foldable Gimbal Sticks: convenient storage and safe transport.
• Removable Switch Panels: modular design for quick configuration changes to suit pilot tasks.
• DIY SMA Ports: possibility to install various antennas with SMA connectors.
• OLED Display: 128×64 monochrome screen for clear parameter indication.
• Built-in 512 MB Memory: large internal flash memory for storing models and settings without the need for TF cards.
• USB-C Connectivity: charging, firmware updates, simulator connection, and access to internal memory.
• Programmable 6-Position Switches with RGB Indicators: flexible function setup and visual status indication.
• Powerful Cooling System: built-in fan for efficient heat dissipation from two 1W transmitters.
• Nano-Coated PCB: additional protection against moisture and dust for increased reliability in flight conditions.
• EdgeTX and ExpressLRS Compatibility: easy updates and configuration via EdgeTX Companion and ELRS.
• External Module Compatibility: Nano/Crossfire support for extended functionality and additional protocols.

Specifications

Advantages and Additional Information

• Gemini-Xrossband (Gem-X) provides a simultaneous powerful signal on 2.4 GHz and 915/900 MHz, minimizing “dead zones” and increasing communication stability during active maneuvers.
• Compact for Transport: foldable sticks and antennas reduce the risk of damage and save space in the case.
• Flexible Configuration: interchangeable switch panels and programmable 6-position switches allow adapting the controller to various flight scenarios, from racing setups to cinematic filming.
• Easy Updates and Integration: the USB-C interface and EdgeTX Companion support make firmware updates and configuration intuitive and fast.
• Reliability: durable casing, efficient cooling, and nano-coated PCB ensure stable operation in challenging flight conditions.
• Wide Power Options: support for Li-Po 2S, 18650, or 21700 batteries with balance charging allows choosing optimal power for your flight style.
• Proven Quality: Radiomaster — a renowned brand in the RC world with a reputation for innovation and reliability.

Package Contents

• GX12 Radio Controller
• Branded carrying case
• 18650 battery tray for two cells2 × Replaceable switch panels
• 6 × Switch bay plugs
• 1 × Type-C cable
• 1 × Screen protector film
• 1 × 1.5 mm hex key
• 4 × Gimbal springs (high tension)
• 1 × Two-position switch
• 1 × Momentary switch
• 1 × RadioMaster sticker set
• 1 × GX12 User Manual

Compatible Accessories (sold separately)

• DIY SMA 90 Degree
• Radio Multi-stand
• 18650 Battery 3200mAh 3.7V
• 21700 5000mAh Battery

The RadioMaster GX12 Dual-Band Gemini-X Radio Controller (M2) — is an investment in precision, range, and reliability of drone control, combining modern RF solutions, high-quality mechanical components, and extensive customization options for professional pilots and enthusiasts.

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