Radiomaster TX15 Radio Controller (M2) – ELRS Version
Looking for Tx15 Controller? Radiomaster TX15 Radio Controller (M2) – ELRS Version is available at Zbotic with fast shipping across India.
Description:
Tx15 Controller – RadioMaster TX15: 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 — a powerful next-generation radio controller designed for unmatched speed, precision, and performance.
Driven by the high-performance STM32 H7 chip, the TX15 is 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 enjoy virtually unlimited space for models, scripts, sounds, and themes.
The TX15 features the LR1121 Semtech transceiver, supporting both 2.4GHz and 900MHz ExpressLRS (ELRS) for long-range, low-latency performance. Whether you’re flying daily or navigating challenging RF environments, the TX15 ensures reliable control. A smart balance battery circuit maximizes flight time, while the compact, foldable antenna improves portability without compromising signal strength.
The built-in gyro with TiltX/TiltY functions unlocks advanced control options, letting you trigger switches, pan/tilt cameras, or activate telemetry callouts just by tilting your radio.
Experience clear, vibrant visuals on the 3.5-inch IPS touchscreen with 262k color resolution and 600 nits brightness, ensuring excellent visibility even under sunlight. The TX15 Standard comes with V5.0 Hall sensor gimbals and is available in six striking colors.
With advanced cooling, a USB-C port for charging and firmware updates, SIM connectivity, and high-speed memory access, the TX15 delivers professional-grade reliability. Interchangeable shoulder switches allow customization between momentary or latching styles, giving pilots ultimate flexibility.
Want more? Explore the TX15 MAX for an even higher-tier experience.
Features:
- Blazing-Fast Performance: Powered by the STM32 H7 chip for ultra-smooth EdgeTX operation.
- Touchscreen Display: 3.5-inch, 480 x 320 IPS touchscreen with vivid colors and sharp details.
- Precision Gimbals: Equipped with V5.0 Hall sensor gimbals for enhanced control accuracy.
- Built-in ExpressLRS: Supports 2.4GHz / Sub-G 900MHz ExpressLRS for reliable, long-range performance.
- Smart Balance Battery Circuit: Optimizes battery usage for extended flight times.
- Efficient Cooling System: Low-noise, high-output fans and an aluminum heat sink keep performance stable.
- Foldable Antenna: Compact and easy to carry, without signal compromise.
- Built-in Microphone: Reserved for future feature expansions.
- Built-in Gyro: Enables tilt-based actions such as triggering switches or controlling cameras.
- Memory: 4GB onboard flash memory with external MicroSD card support.
- Interchangeable Shoulder Switches: Customize controls to your flying style.
- Optional Colors: Iron Grey / Frost White / Iceberg Blue / Mint Mist / Lemon Twist Yellow / Hot Pink
Specifications:
- Item: TX15 Radio Controller
- Size: 178 × 168 × 81mm
- Weight: 605g (without battery)
- 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: 6.6V – 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: V5.0 Hall sensor gimbals (standard)
- Gimbal Sticks: M4
- Upgrade Method: USB-C (UF2)
- Module Bay: JR-compatible module bay
Gimbal Adjustment:
Dimensions:
Tutorial:
Radiomaster TX15 Radio Controller (M2) – ELRS Version Overview
The Radiomaster TX15 Radio Controller (M2) – ELRS Version is a compact, open-source RC transmitter tailored for FPV drone pilots who require lightning-fast response and precise control. With dual-band ExpressLRS support, a high-performance STM32 H7 processor and a 3.5-inch IPS touchscreen, it excels at managing multiple models, scripts and telemetry data in real time.
Key Features of Radiomaster TX15 Radio Controller (M2) – ELRS Version
- Fast Shipping from Zbotic: Genuine Radiomaster TX15 dispatched quickly with tracking across India.
- High-Performance Processor: STM32 H7 delivers ultra-smooth EdgeTX control, instant model switching and rapid script execution.
- Dual-Band ExpressLRS Module: 2.4 GHz & 900 MHz support ensures low-latency, long-range telemetry and control.
- 3.5-inch IPS Touchscreen: 480×320 resolution for intuitive menus, quick settings adjustments and model selection.
- V5.0 Hall Sensor Gimbals & Gyro: Precision sticks with built-in tilt-control gyro for drift-free, rock-steady inputs.
- Expandable Storage & Power Management: 4 GB onboard flash plus MicroSD slot, smart balance battery circuit, foldable antenna and low-noise aluminum cooling.
Applications and Use Cases
- FPV racing and freestyle drones where minimal latency and precise stick control are critical.
- Long-range aerial photography, surveying or mapping missions using ExpressLRS telemetry.
- Training new pilots with customizable model profiles and real-time feedback.
- Custom drone light shows and demos, leveraging onboard script execution and sound packs.
- Fixed-wing and VTOL prototypes requiring multi-model switching and telemetry monitoring.
How to Use Radiomaster TX15 Radio Controller (M2) – ELRS Version
Charge the TX15 or connect a compatible LiPo pack, insert a MicroSD card for extra models and scripts, then power on the controller. Use the EdgeTX touchscreen to calibrate V5.0 Hall sensor gimbals, navigate to the ELRS RF Setup page and enter bind mode. Power up your ExpressLRS receiver in bind mode, confirm the binding LED status, assign channels and flight modes in the model setup menu, verify control responses in telemetry, and you’re ready to fly.
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 (M2) ELRS version to my ExpressLRS receiver?
On the TX15, go to the EdgeTX System Settings > External RF > ELRS > Bind, then power on your ExpressLRS receiver in bind mode. Wait for the receiver’s LED to indicate a successful bind, then exit bind mode on both units.
Can I use both 2.4 GHz and 900 MHz bands with this controller?
Yes, the integrated ExpressLRS module on the TX15 supports both 2.4 GHz and 900 MHz frequencies. You can select the desired band in the RF Setup menu on the touchscreen.
How do I expand storage beyond the built-in 4 GB flash?
The TX15 features a MicroSD card slot that lets you add additional storage for models, scripts and sound packs. Simply insert a compatible microSD card to increase your available memory.
Datasheet:
Package Includes:
- 1 × TX15 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
Technical Specifications
| Brand | Radiomaster |
|---|---|
| Model | TX15 |
| Interface / Protocol | ELRS |
| Package Quantity | 15 pcs |
| SKU | AI7330 |
| Weight | 1.3 kg |
| Availability | In Stock |
Applications & Use Cases
The Radiomaster TX15 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


Aisha Yadav (verified owner) –
Received the Radiomaster TX15 Radio Controller – ELRS in great condition. Testing done, everything works perfectly.
Ishan Srivastava –
Average Radiomaster TX15 Radio Controller – ELRS. Works fine but expected slightly better quality at this price.
Rahul Nayak (verified owner) –
Okay Radiomaster TX15 Radio Controller – ELRS. Gets the job done for my basic drone project. Nothing exceptional.
Harshit Rajan (verified owner) –
Using this Radiomaster TX15 Radio Controller – ELRS in my FPV drone build. Quality is top notch. Very happy with the purchase.
Paras Dhawan –
Great quality Radiomaster TX15 Radio Controller – ELRS. Perfect specs for my drone project. Fast delivery too!
Jai Iyer (verified owner) –
Good quality Radiomaster TX15 Radio Controller – ELRS. Minor scratches on arrival but functionally perfect.
Vipin Malhotra –
Been using this Radiomaster TX15 Radio Controller – ELRS for 3 months now, zero issues. Great product.
Vaishali Choudhury (verified owner) –
Excellent product for the price. My drone flies smoothly with this Radiomaster TX15 Radio Controller – ELRS. Highly recommended!
Sachin Dhawan (verified owner) –
Excellent product for the price. My drone flies smoothly with this Radiomaster TX15 Radio Controller – ELRS. Highly recommended!
Tanya Mishra (verified owner) –
Received the Radiomaster TX15 Radio Controller – ELRS in great condition. Testing done, everything works perfectly.
Aman Dhillon (verified owner) –
Great Radiomaster TX15 Radio Controller – ELRS for beginners and professionals alike. Highly recommended for drone enthusiasts.
Priya Bose (verified owner) –
Okay Radiomaster TX15 Radio Controller – ELRS. Gets the job done for my basic drone project. Nothing exceptional.
Bhavna Bajaj (verified owner) –
Solid Radiomaster TX15 Radio Controller – ELRS. Not the absolute best but excellent value for the price point.
Daksh Singh (verified owner) –
Very good quality Radiomaster TX15 Radio Controller – ELRS. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Hitesh Kulkarni (verified owner) –
Excellent Radiomaster TX15 Radio Controller – ELRS! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Ayush Bhandari (verified owner) –
Excellent Radiomaster TX15 Radio Controller – ELRS! Perfect for my quadcopter build. Arrived well packed and works flawlessly.
Aryan Reddy (verified owner) –
Pretty good Radiomaster TX15 Radio Controller – ELRS. Works as expected for my drone project. Would buy again.
Diya Deshpande (verified owner) –
My 5th order from Zbotic. This Radiomaster TX15 Radio Controller – ELRS is excellent as always. Totally reliable store.
Nitin Shah (verified owner) –
Very good quality Radiomaster TX15 Radio Controller – ELRS. I’ve been building drones for 2 years now and this is one of the best I’ve used.
Manish Desai (verified owner) –
Nice Radiomaster TX15 Radio Controller – ELRS, does the job. Delivery took a couple of extra days but product is solid.
Tanvi Luthra (verified owner) –
This Radiomaster TX15 Radio Controller – ELRS is exactly what I needed for my drone. Works perfectly, very reliable.
Darshan Khanna –
Using this Radiomaster TX15 Radio Controller – ELRS in my FPV drone build. Quality is top notch. Very happy with the purchase.
Sahil Iyer (verified owner) –
Using this Radiomaster TX15 Radio Controller – ELRS in my FPV drone build. Quality is top notch. Very happy with the purchase.
Tanya Kamath (verified owner) –
Using this Radiomaster TX15 Radio Controller – ELRS in my FPV drone build. Quality is top notch. Very happy with the purchase.
Dhruv Rathore (verified owner) –
Excellent product for the price. My drone flies smoothly with this Radiomaster TX15 Radio Controller – ELRS. Highly recommended!
Meera Parekh –
Amazing build quality! This Radiomaster TX15 Radio Controller – ELRS is sturdy and lightweight at the same time.
Neha Yadav (verified owner) –
Excellent product for the price. My drone flies smoothly with this Radiomaster TX15 Radio Controller – ELRS. Highly recommended!
Chetan Grewal (verified owner) –
Been using this Radiomaster TX15 Radio Controller – ELRS for 3 months now, zero issues. Great product.
Rakesh Chauhan (verified owner) –
Good quality Radiomaster TX15 Radio Controller – ELRS. Minor scratches on arrival but functionally perfect.
Chitra Agarwal (verified owner) –
Using this Radiomaster TX15 Radio Controller – ELRS in my hexacopter. Smooth operation and excellent thrust.