RadioMaster New GX15 ELRS Radio - STM32 H7, Gemini 2.4GHz, V6 Hall Gimbals

RadioMaster GX15 – Modern Performance for Precision Flying

Designed for RC Airplanes, Gliders, Helicopters & More

RadioMaster continues to expand its radio lineup with the introduction of the GX15. Designed for pilots who fly RC airplanes, gliders, helicopters, and other traditional aircraft, the GX15 combines modern performance with a form factor optimized for precision flying. For pilots seeking a higher-spec configuration with AG02 CNC gimbals and premium aluminum controls, the GX15 MAX is also available.

Key Features

• 🚀 STM32 H7 Processor – Fast, responsive system performance and smooth EdgeTX experience

• 🖥️ 3.5" IPS Touchscreen – 480×320 resolution, 600 nits brightness for outdoor visibility

• 🎮 V6 Hall-Effect Gimbals – Precise, consistent control with M4 stick ends

• 📡 Dual 2.4GHz ExpressLRS (Gemini) – Dual 250mW SX1281 transceivers, F1000 capable

• 🔋 Smart Battery Management – Optimized power usage for extended operation

• 🌀 Efficient Cooling System – Low-noise fan with aluminum heat sinks

• 📶 Dual Integrated Antennas – Horizontal + vertical polarization diversity, no external antennas

• 🎛️ Interchangeable Shoulder Switches – Configurable layout with replaceable switch modules

• 🌡️ Built-in Gyroscope – Tilt-based control inputs for switches, gimbals, and telemetry

• 🎨 5 Color Options – White / Yellow / Red / Green / Blue

Technical Specifications

Gemini Dual-Band ELRS System

The GX15 features dual Semtech SX1281 transceivers, each delivering 250mW output power, supporting Gemini 2.4GHz ExpressLRS. Designed for modern aircraft and helicopter systems, the GX15 delivers low-latency control and supports ultra-fast update rates, including F1000 operation with compatible receivers such as the Nexus-XR.

Dual integrated antennas (horizontal + vertical orientation) provide Gemini redundancy, polarization diversity, and reliable signal performance while maintaining a clean form factor free from bulky external antennas.

Built-in Gyroscope & Motion Control

The built-in gyroscope enables tilt-based control inputs. Tilt functions can be used to:

• Trigger logical switches

• Control gimbal movement

• Activate telemetry voice prompts

—adding flexibility without additional hardware.

Smart Battery Management

A smart battery management circuit improves efficiency and extends operating time, keeping you in the air longer.

Interchangeable Shoulder Switches

Configurable control layout with replaceable switch modules. Includes:

• 2 × 2-position latching switches

• 2 × 3-position switches

• 2 × momentary push buttons

• Additional switch delete grommets included

Dimensions

Download

• GX15 User Manual

Package Includes

• 1 * GX15 Radio Controller
• 1 * GX15 Signature Carry Case
• 1 * 18650 Battery Tray
• 2 * Replacement Shoulder Panels
• 1 * Type-C Cable
• 1 * Screen Protector
• 1 * 1.5mm Hex Wrench
• 4 * Low Tension Gimbals Springs
• 2 * Gimbal Stick Set Screws
• 4 * 6mm Switch Delete Gromets
• 1 * Lanyard
• 1 * RadioMaster Sticker Set
• 1 * GX15 Manual
• 1 * Inventory Card

GX15 is installed with ExpressLRS as standard.

ExpressLRS is an open-source, high-performance radio control link that delivers exceptional range and low-latency communication using advanced LoRa technology. It's highly customizable and perfect for RC enthusiasts looking for reliability and efficiency.

Pair your ExpressLRS with Radiomaster's top-tier transmitters and receivers. Radiomaster products are designed to maximize the benefits of ExpressLRS, offering state-of-the-art performance for your RC adventures. Upgrade your RC experience with the unbeatable combination of ExpressLRS and Radiomaster—engineered for excellence and tailored for you.

Find out more about ExpressLRS here