Looking for Radiomaster Tx15 Max Radio Controller? Radiomaster TX15 Max Radio Controller (M2) – ELRS Version is available at Zbotic with fast shipping across India.
RadioMaster TX15 MAX: The Future Is Here, One Step Ahead
RadioMaster continues to redefine the open-source remote control landscape. After years of collaboration with open-source partners and users, we proudly introduce the TX15 MAX — a next-generation radio controller engineered for ultimate precision, performance, and style.
Powered by the high-performance STM32 H7 chip, the TX15 MAX delivers ultra-smooth EdgeTX control, instant model switching, and lightning-fast script execution. With 4GB of flash storage and MicroSD card expansion, it offers virtually unlimited space for models, scripts, sounds, and themes.
Equipped with the LR1121 Semtech transceiver, the TX15 MAX supports both 2.4GHz and 900MHz ExpressLRS (ELRS), providing long-range and low-latency performance even in challenging RF environments. A smart balance battery circuit extends flight time, while the foldable antenna design enhances portability and signal reliability.
The built-in gyro with TiltX/TiltY functions unlocks advanced control possibilities — enabling you to trigger switches, pan/tilt cameras, or activate telemetry callouts simply by tilting your radio.
Enjoy sharp, vibrant visuals on the 3.5-inch IPS touchscreen featuring 262k color resolution and 600 nits brightness, ensuring clear visibility even under sunlight. The TX15 MAX stands out with AG02 CNC aluminum gimbals (available in red, black, or gold), upgraded aluminum buttons, a scroll wheel, and a carbon-fiber-look case for a premium feel.
Integrated RGB LED gimbal rings allow LUA-controlled lighting customization, while the efficient cooling system, USB-C port, SIM connectivity, and firmware update support ensure top-tier reliability and performance. Interchangeable shoulder switches give you full control customization, letting you choose between momentary or latching styles.
Prefer the standard edition? Explore the TX15 Standard for a lighter configuration.
Features:
- Blazing-Fast Performance: Powered by the STM32 H7 chip for unmatched processing speed and response.
- Touchscreen Display: 3.5-inch, 480 × 320 IPS touchscreen with vivid colors and sharp details.
- Precision Gimbals: Premium AG02 CNC Hall sensor gimbals for enhanced smoothness and control.
- Built-in ExpressLRS: 2.4GHz / 900MHz integration for stable, long-range communication.
- Smart Balance Battery Circuit: Improves battery efficiency and extends operational time.
- Powerful Cooling System: Low-noise, high-output fans with an aluminum heat sink maintain stable temperatures.
- AG02 Gimbals: 20% reduced weight with adjustable travel on both vertical and horizontal axes.
- Customizable RGB Gimbal Light Ring: LUA-controlled RGB LED lighting for personalization.
- Foldable Antenna: Compact, easy to carry, and strong in signal performance.
- Built-in Microphone: Reserved for future expansion.
- Built-in Gyro: Enables tilt-based actions such as camera control and telemetry triggers.
- Memory: 4GB onboard flash with external MicroSD support.
- Interchangeable Shoulder Switches: Adapt controls to your preferred flying style.
Specifications:
- Item: TX15 MAX Radio Controller
- Size: 178 × 168 × 81mm
- Weight: 672g (without battery)
- Color Options: Red / Black / Gold
- Frequency: 2.400GHz OR Sub-G 900MHz
- Internal RF: ELRS 2.4GHz / Sub-G 900MHz
- Supported Protocols: ExpressLRS
- Cooling Fan: Yes
- Transmitter Module: Built-in ELRS
- Built-in Flash Size: 4GB
- Built-in Microphone: Yes (for future expansion)
- Built-in Gyro: Yes (ICM-42607-C)
- MicroSD Card: 32GB / FAT32 (Inserting disables onboard flash)
- Antenna Gain: 2dB (transmit power adjustable)
- Current: 875mA (max power output)
- Voltage Range: 6.6 – 8.4V DC
- Radio Firmware: EdgeTX (requires version 3.0.0 or later)
- Module Firmware: ExpressLRS
- Channels: Max 16 (receiver dependent)
- Display: 3.5-inch IPS touchscreen (480 × 320 resolution)
- Battery: 7.4V 2-cell Li-Po / Two 3.7V 18650 Li-Ion / 21700 5000mAh (batteries not included)
- Connectivity: USB-C
- Gimbals: AG02 CNC Hall sensor gimbals
- Gimbal Sticks: M4
- Upgrade Method: USB-C (UF2)
- Module Bay: JR-compatible for additional modules
Dimensions:
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 Gimbal Springs
- 2 × Gimbal Stick Set Screws
- 1 × Stickers Set
- 1 × User Manual
- 1 × Inventory Card
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Radiomaster TX15 Max Radio Controller (M2) – ELRS Version Overview
The Radiomaster TX15 Max (M2) ELRS Version is a cutting-edge radio transmitter designed for FPV drones and remote-control models. It leverages the ultra-low latency ExpressLRS protocol on both 2.4 GHz and 900 MHz bands, coupled with a bright 3.5-inch IPS touchscreen for seamless setup and in-flight telemetry.
Key Features of Radiomaster TX15 Max Radio Controller (M2) – ELRS Version
- STM32 H7 Processor: Delivers instant model switching and smooth EdgeTX performance
- Dual-Band ExpressLRS: Supports 2.4 GHz and 900 MHz frequencies for versatile range options
- 3.5″ IPS Touchscreen: 480 × 320 resolution at 600 nits for clear menus and telemetry readouts
- AG02 CNC Hall Sensor Gimbals: High-precision sticks available in red, black, or gold
- 4 GB Onboard Flash + MicroSD: Expandable storage for models, themes, sounds, and Lua scripts
- Smart Balance Battery Circuit: Optimizes power use for longer flying sessions
- Built-in Tilt Control: TiltX/TiltY gyro functions enable head-tracking and advanced control experiments
- Genuine Radiomaster Product & Fast Shipping: Delivered quickly across India from Zbotic
Applications and Use Cases
- FPV drone racing where minimal latency is critical
- Long-range exploration flights on the 900 MHz ExpressLRS band
- Freestyle quadcopter flying with rapid model profile switching
- Implementing head-tracking or camera tilt via onboard gyro functions
- Storing multiple aircraft configurations, custom sounds, and scripts on MicroSD
How to Use Radiomaster TX15 Max Radio Controller (M2) – ELRS Version
Install a compatible battery pack into the smart balance port, power on the TX15 Max, open the RF Settings on the touchscreen to select your desired ExpressLRS band, activate binding mode to link with your ELRS receiver, calibrate the AG02 Hall sensor gimbals via the EdgeTX setup wizard, and assign channel mixes before your flight.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
How do I bind the TX15 Max (M2) ELRS Version to my drone?
Navigate to the RF Settings on the touchscreen, tap “Bind,” then power on your drone’s ExpressLRS receiver in bind mode. The controller LED and on-screen status will confirm once the link is established.
Can I switch between 2.4 GHz and 900 MHz on this controller?
Yes. In RF Settings choose the desired frequency band—2.4 GHz or 900 MHz—save the change, and the TX15 Max will apply the new band on your next power-up for the selected model profile.
How do I update firmware and install custom themes or scripts?
Use the ExpressLRS Configurator on your computer, connect the TX15 Max via its data port, and follow prompts to flash both the RF module and radio firmware. After updating, insert the MicroSD card and copy theme files into the /THEMES/ folder and Lua scripts into /SCRIPTS/ to customize your interface.
Technical Specifications
| Brand | Radiomaster |
|---|---|
| Model | TX15 |
| Interface / Protocol | ELRS |
| Package Quantity | 15 pcs |
| SKU | AI7331 |
| Weight | 1.638 kg |
| Availability | In Stock |
Applications & Use Cases
The Radiomaster TX15 Max Radio Controller (M2) – ELRS Version is a versatile drone transmitter and receiver used across a wide range of applications including FPV drone control, RC aircraft, ground vehicles, and long-range drone operations.
Common use cases:
- Setting up a new FPV quad with digital link
- Replacing a receiver after a crash
- Building a long-range fixed-wing aircraft
This product is ideal for FPV pilots, RC hobbyists, and drone builders.
Technical Tip: ELRS (ExpressLRS) offers excellent range and low latency at 2.4GHz. Ensure your transmitter and receiver use the same protocol.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Radiomaster product sourced from authorized channels



Karan Joshi (verified owner) –
Pretty good Radiomaster TX15 Max Radio Controller –. Works as expected for my drone project. Would buy again.
Neha Banerjee (verified owner) –
This Radiomaster TX15 Max Radio Controller – is exactly what I needed for my drone. Works perfectly, very reliable.
Ankur Rawat (verified owner) –
Decent Radiomaster TX15 Max Radio Controller –. Took some effort to set up but working now.
Diya Mukherjee (verified owner) –
Outstanding Radiomaster TX15 Max Radio Controller –! Installed it on my racing quad and the performance is amazing.
Lakshya Iyer (verified owner) –
Using this Radiomaster TX15 Max Radio Controller – in my hexacopter. Smooth operation and excellent thrust.
Zubin Mishra (verified owner) –
Been using this Radiomaster TX15 Max Radio Controller – for 3 months now, zero issues. Great product.
Gaurav Verma (verified owner) –
Great quality Radiomaster TX15 Max Radio Controller –. Perfect specs for my drone project. Fast delivery too!
Chitra Kamath –
Decent Radiomaster TX15 Max Radio Controller –. Took some effort to set up but working now.
Raj Mishra (verified owner) –
Very good quality Radiomaster TX15 Max Radio Controller –. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Pooja Batra (verified owner) –
This Radiomaster TX15 Max Radio Controller – is exactly what I needed for my drone. Works perfectly, very reliable.
Girish Saxena (verified owner) –
Great quality Radiomaster TX15 Max Radio Controller –. Perfect specs for my drone project. Fast delivery too!
Jai Rao (verified owner) –
Top quality Radiomaster TX15 Max Radio Controller –. I’m a regular customer of Zbotic and they never disappoint.
Riya Chauhan (verified owner) –
Been using this Radiomaster TX15 Max Radio Controller – for 3 months now, zero issues. Great product.
Gaurav Hegde (verified owner) –
Outstanding Radiomaster TX15 Max Radio Controller –! Installed it on my racing quad and the performance is amazing.
Tarun Khurana –
Good quality Radiomaster TX15 Max Radio Controller –. Minor scratches on arrival but functionally perfect.
Nitin Chatterjee (verified owner) –
Excellent Radiomaster TX15 Max Radio Controller –! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Rashmi Dave (verified owner) –
Using this Radiomaster TX15 Max Radio Controller – in my hexacopter. Smooth operation and excellent thrust.
Naveen Modi –
Using this Radiomaster TX15 Max Radio Controller – in my hexacopter. Smooth operation and excellent thrust.
Jai Dhillon (verified owner) –
Good quality Radiomaster TX15 Max Radio Controller –. Minor scratches on arrival but functionally perfect.
Lakshya Malhotra (verified owner) –
Outstanding Radiomaster TX15 Max Radio Controller –! Installed it on my racing quad and the performance is amazing.
Karan Shah (verified owner) –
Perfect for my agriculture drone project. This Radiomaster TX15 Max Radio Controller – handles the weight effortlessly.
Manish Chauhan (verified owner) –
Received the Radiomaster TX15 Max Radio Controller – in great condition. Testing done, everything works perfectly.
Aisha Parekh (verified owner) –
Decent Radiomaster TX15 Max Radio Controller – for the price. Using it in my quadcopter, performs well overall.
Rohan Banerjee (verified owner) –
Solid Radiomaster TX15 Max Radio Controller –. Not the absolute best but excellent value for the price point.
Advik Kamath (verified owner) –
Good quality Radiomaster TX15 Max Radio Controller –. Minor scratches on arrival but functionally perfect.