RadioMaster TX15 Max Transmitter ExpressLRS : HP0157.0111-BLK-LBT
RadioMaster continues to redefine the open-source remote control landscape. After years of collaboration with our open-source partners and users, we are proud to introduce the TX15 MAX. Driven by the high-performance STM32 H7 chip, it’s the powerhouse behind our fastest radio ever — enabling ultra-smooth EdgeTX control, instant model switching, and lightning-quick script execution. With 4GB of flash storage and MicroSD card expansion, you’ll have virtually unlimited space for models, scripts, sounds, and themes.
The TX15 MAX features a LR1121 Semtech transceiver, supporting both 2.4GHz or 900MHz ExpressLRS (ELRS) for long-range, low-latency performance. Whether you're flying daily or operating in challenging RF environments, the TX15 MAX is built to perform. A smart balance battery circuit maximises flight time, while the compact, foldable antenna design improves portability and ensures strong signal quality. The built-in gyro with TiltX/TiltY functions unlocks advanced control options, allowing you to trigger switches, pan/tilt cameras, or activate telemetry callouts with a simple tilt of your radio.
Enjoy sharp visuals on the 3.5-inch IPS touchscreen with 262k colour resolution and 600 nits brightness, even in sunlight. The TX15 MAX boasts AG02 CNC aluminium gimbals in anodised black, upgraded aluminium buttons, a scroll wheel, and a carbon-fibre-look case for a premium feel. Integrated RGB LED lights around the gimbals allow customisable LUA-controlled lighting. It includes advanced cooling, a USB-C charging port, SIM connectivity, firmware updates, and fast memory access for top-tier performance. We’ve included additional switches so you can swap out the shoulder buttons with either a momentary or two-position latching switch—perfect if you prefer a traditional switch over a button. Prefer the standard model? See the TX15 Standard.
Step into the future. TX15: The Future Is Here, One Step Ahead.
Features
- Blazing-Fast Performance: The STM32 H7 chip powers our fastest radio ever.
 
- Touchscreen Display: 3.5-inch, 480 x 320 IPS touchscreen with vivid colours and sharp detail.
 
- Precision Gimbals: the premium AG02 gimbals for enhanced smoothness.
 
- Built-in ExpressLRS: 2.4GHz / 900MHz ExpressLRS integration for reliable and long-range control.
 
- Smart Balance Battery Circuit: Maximises battery efficiency and longevity for more flight time.
 
- Powerful, Cooling System: Low noise, high output fans and an aluminium heat sink keep your radio cool even on the hottest days.
 
- AG02 Gimbal: More than 20% reduced weight, with adjustable travel on both vertical and horizontal axis.
 
- Customisable RGB Gimbal Light- Ring: Integrated RGB LED lights around the gimbals allow customisable LUA-controlled lighting.
 
- Foldable Antenna: Compact and easy to store without compromising signal strength.
 
- Built-in Microphone: For future feature expansion.
 
- Built-in Gyro: Trigger switches, pan/tilt cameras, or telemetry callouts simply by tilting your radio.
 
- Memory: Integrated 4GB of onboard flash memory and external MicroSD card support.
 
- Interchangeable Shoulder Switches: Customise your controls to match your flying style.
 
Specifications
- Item: TX15 Max Radio Controller
 
- Size: 178*168*81mm
 
- Weight: 672g (without battery)
 
- Colour: Black
 
- Frequency: 2.400GHz OR Sub-G 900MHz
 
- Internal RF: ELRS 2.4GHz / Sub-G 900MHz
 
- Supported Protocols: Express-LRS
 
- Cooling Fan: Yes
 
- Transmitter Module: Built-in ELRS
 
- Built-in Flash Size: 4GB
 
- Built-in Microphone: Yes (Future expansion)
 
- Built-in Gyro: Yes (ICM-42607-C)
 
- MicroSD card* (Not included): 32GB/FAT32 (Inserting a MicroSD card will disable the onboard flash)
 
- Antenna Gain: 2dB (transmit power adjustable)
 
- Current: 875mA at max power output
 
- Voltage Range: 6.6 - 8.4V DC
 
- Radio Firmware: EdgeTX (Transmitter) (requires version 3.0.0 or later)
 
- Module Firmware: ExpressLRS
 
- Channels: Max 16 channels (Receiver dependent)
 
- Display: 3.5-inch IPS touchscreen (480 x 320 resolution)
 
- Battery: 7.4V 2-cell Lithium-Polymer / Two 3.7V 18650 Lithium-Ion cells / 21700 5000mAh Battery (batteries not included)
 
- Connectivity: USB-C
 
- Gimbals: AG02 CNC Hall sensor gimbals
 
- Gimbal Sticks: M4
 
- Upgrade Method: USB-C (UF2)
 
- Module Bay: JR-compatible module bay for additional modules
 
Package Includes
- 1 * TX15 Max Radio Controller
 
- 1 * Signature Carry Case
 
- 1 * Short 2-position Latching Shoulder Toggle Switch Assembly
 
- 1 * Short 2-position Momentary Shoulder Toggle Switch Assembly
 
- 1 * 18650 Battery Tray
 
- 1 * USB-C Cable
 
- 1 * Screen Protector
 
- 1 * 1.5mm Hex Wrench
 
- 4 * High Tension Gimbals Springs
 
- 2 * Gimbal Stick Set Screw
 
- 1 * Stickers Set
 
- 1 * User Manual
 
- 1 * Inventory Card