RADIOMASTER GX15 MAX Radio Controller (FCC ELRS / M2)
Premium GX15 MAX controller with AG02 CNC Hall gimbals, 3.5-inch touchscreen and integrated dual-2.4GHz Gemini ExpressLRS.
| Brand | Radiomaster |
|---|---|
| RF Link | Dual SX1281, ExpressLRS Gemini 2.4GHz (2 × 250mW); up to 16 channels; FCC firmware. |
| Display & Gimbals | 3.5-inch 480×320 IPS touchscreen, up to 600 nits; AG02 CNC aluminium Hall-effect gimbals. |
| Firmware & Connectivity | STM32 H7; EdgeTX 2.12+; USB-C; JR-compatible module bay; 512MB internal flash and optional microSD. |
| Power & Dimensions | 6.6–8.4V; 2×18650 or compatible 2S battery (not included); 199×197×78mm; 725g without battery. |
📡 Product Overview
RadioMaster GX15 MAX Radio Controller combines premium CNC aluminum controls with the performance of the GX15 platform. Built for precise operation of RC airplanes, gliders, helicopters and compatible ExpressLRS aircraft, this flagship transmitter pairs AG02 CNC Hall-effect gimbals, an outdoor-readable 3.5-inch IPS touchscreen and a fast STM32 H7 processor in an ergonomic full-size layout.
The GX15 MAX integrates two Semtech SX1281 RF transceivers for 2.4GHz Gemini ExpressLRS, using two internal antennas oriented horizontally and vertically for improved polarization diversity. Each RF transmitter supports up to 250mW output. With a compatible receiver, this architecture provides reliable low-latency control and fast packet rates, including F1000 support.
Its five finishes—Transparent Charcoal, Black, Blue, Gold and Red—combine a carbon-look enclosure with precision aluminum components. The MAX version is equipped with AG02 gimbals; unlike the standard GX15, which features V6 Hall gimbals. The premium gimbals, upgraded controls and integrated RGB lighting enhance feel, precision and personalization.
A low-noise cooling fan, aluminum heat sinks, configurable shoulder switches and built-in storage make this a versatile EdgeTX platform. The microphone is included for future feature expansion; do not assume that future functionality is available in current firmware.
📦 Technical Specifications
- Product Name
RadioMaster GX15 MAX Radio Controller (FCC ExpressLRS / Mode 2) - Radio Firmware
EdgeTX 2.12.0 or later - Processor
STM32 H7 - RF Link
ExpressLRS 2.4GHz Gemini, 2 × SX1281, up to 250mW per transceiver - Channels
Up to 16 (receiver-dependent) - Touchscreen
3.5-inch IPS, 480 × 320, 262K colors, up to 600 nits - Gimbals
AG02 CNC aluminum Hall sensor, M4 sticks - Operating Voltage
6.6–8.4 V DC - Current
850mA at maximum output - Available Colors
Transparent Charcoal, Black, Blue, Gold, Red
- Built-in Storage
512MB internal flash; external microSD up to 32GB (FAT32). Installing microSD disables internal flash. - Connectivity
USB-C for charging, simulators, firmware and data - Antennas
Two integrated 2.4GHz antennas - Battery Options
2 × 18650 Li-ion, supported 21700 pack, or 2S LiPo; batteries not included - Module Bay
JR-compatible external module bay - Dimensions / Weight
199 × 197 × 78 mm; approximately 725g without batteries - Additional Hardware
Cooling fan, microphone (future expansion), gyroscope, customizable shoulder switches
🎮 Precision Controls & Gemini Link
The GX15 MAX's AG02 CNC gimbals and metal controls deliver a smooth, robust control feel. With built-in Gemini 2.4GHz ELRS and dual antenna polarization, pilots benefit from a radio link engineered for consistent performance. Radio range, update rate and available features depend on the receiver, antenna orientation, firmware and RF regulations.
Important: The GX15 MAX uses 2.4GHz Gemini, not a dual-band 900MHz / 2.4GHz link. For multi-band systems select a transmitter that explicitly supports those frequencies.
✅ Why Choose the RadioMaster GX15 MAX?
The GX15 MAX builds upon the familiar GX15 platform with AG02 CNC Hall gimbals, aluminum buttons, a precision CNC scroll wheel and an upgraded carbon-look finish. Its top-mounted screen keeps flight information visible without obscuring the main controls, while the fast H7 processor offers responsive EdgeTX navigation and model changes.
Who is it for? FPV and conventional RC pilots who value precision gimbals, fully programmable EdgeTX controls, Gemini ExpressLRS performance and an ergonomic full-size transmitter. Connect a compatible ExpressLRS receiver and check regional FCC/LBT requirements before flight.
What's in the Box
- 1 × GX15 MAX radio controller and signature carry case
- 18650 battery tray, Type-C cable and screen protector
- Replacement shoulder panels, stick screws and alternate springs
- Neck strap, printed manual and assorted accessories
Battery not included. Choose a suitable battery and compatible charger separately if required.
For detailed product specifications, see the official RadioMaster GX15 MAX product page.
Radiomaster
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Discover Radiomaster
RadioMaster designs radio-control hardware for hobby pilots and FPV builders, including transmitters, receiver modules and accessories built around modern control links. The range covers compact portable radios as well as feature-rich controllers with configurable switches, sticks and supported radio systems.
Radio selection is about ergonomics and the complete signal chain. ExpressLRS band, internal module version, receiver protocol, external module support and firmware configuration all affect compatibility. A well-matched radio offers comfortable control while leaving room to grow into a broader set of aircraft.
Before buying a RadioMaster transmitter or accessory, check the exact edition, region and radio protocol, plus the batteries or charging arrangement that specific model uses. Choosing the right receiver and updating firmware carefully are essential steps in a dependable setup.
Shipping Information
- Dubai Deliveries: Free one-day delivery within Dubai on business days, with an option for cash on delivery.
- UAE Deliveries: Delivery to other Emirates outside Dubai is available for a flat fee of AED 35, with an estimated delivery time of 2–3 business days. Please contact our team to check availability.
- International Deliveries: Shipping to GCC countries, the Middle East, and Africa is available upon prior arrangement with our support team due to varying import regulations. Customs, clearance fees, and taxes are the buyer's responsibility. For international shipping of additional accessories, all shipping costs, customs duties, and related fees will also be borne by the buyer.
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