Description
The Radiomaster GX12 is a premium dual‑band ExpressLRS radio designed for pilots who want maximum range, precision, and modern ergonomics. It features Gemini‑X dual‑band 2.4GHz/900MHz transmission, fully CNC 3D digital Hall gimbals, 1000Hz EdgeTX‑synced control, and a compact folding design for easy transport. With modular switch panels, DIY SMA ports, onboard 512MB storage, and USB‑C connectivity, the GX12 delivers a highly customizable and reliable control experience for advanced RC and FPV applications. Battery not included.
Key features
- Dual‑band ELRS (2.4GHz + 900MHz) with Gemini‑X crossband technology for superior range and link stability
- GX01 CNC aluminum 3D Hall gimbals with 1000Hz digital precision and folding sticks
- Integrated folding antennas for portability and durability
- Modular switch panels and programmable RGB indicators
- USB‑C for charging, simulator use, firmware updates, and storage access
- 512MB internal flash storage (no SD card required)
- Rugged design with hydrophobic PCB coating for extreme environments
Core specifications
- Frequency: 2.4GHz + Sub‑G 900MHz
- Protocol: ExpressLRS
- Size: 183×148×78 mm
- Weight: 573 g
- Channels: Up to 16 (receiver‑dependent)
- Power: Dual 1W transmitters with active cooling
- Battery support: 2S LiPo or dual 18650/21700 cells (not included)
- Display: 128×64 monochrome OLED
- Firmware: EdgeTX + ELRS module






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