RadioMaster TX15 Max Radio Controller – STM32 H7 Chip,Dual-Band ELRS (2.4G/900M)
About RadioMaster TX15 Max Radio Controller
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RadioMaster TX15 Max is the high-performance flagship of the TX15 series, engineered for professional pilots who refuse to compromise. At its core, the lightning-fast STM32H7 processor runs EdgeTX firmware with unprecedented speed. The radio features a vibrant 3.5” IPS touchscreen and premium AG02 CNC Hall gimbals with customizable RGB rings for ultimate precision. With a built-in dual-band ExpressLRS module, active cooling, and smart battery balancing, the TX15 Max sets a new standard for ultra-low-latency control and long-range reliability in the FPV and RC world.
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Top highlights
Lightning-Fast STM32 H7 Core: Noticeably faster EdgeTX response and instant model switching compared to standard processors.
Premium AG02 CNC Gimbals: Over 20% lighter and significantly smoother than plastic gimbals, featuring adjustable travel for precise racing control.
Built-in Dual-Band ELRS: Integrated LR1121 supports both 2.4GHz and 900MHz, providing a more reliable long-range link than single-band systems.
High-Bright 600-Nit Touchscreen: A 3.5” IPS display that remains clear under direct sunlight, outperforming lower-brightness entry-level screens.
Advanced Control Freedom: Integrated 6-axis gyro (TiltX/Y) and swappable switches offer customization options basic transmitters simply can't match.
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Next-Gen STM32 H7 Core: Redefining Speed
Experience the pinnacle of RC performance. Powered by the high-frequency STM32 H7 processor, the TX15 Max delivers instantaneous boot times and lightning-fast script execution. Say goodbye to lag—enjoy ultra-fluid navigation and rapid model switching designed for elite-level competitive control.
Vibrant 3.5” IPS Touchscreen – Clarity Under Any Light
Navigate with confidence. Featuring a high-visibility 600-nit display, the 3.5-inch IPS touchscreen remains crisp and clear even under direct sunlight. With a sharp 480×320 resolution, adjusting settings and monitoring real-time telemetry is more intuitive and effortless than ever.
Dual-Band ELRS — Unwavering Signal Confidence
Supporting both 2.4GHz and 900MHz ExpressLRS, TX15 Max ensures ultra-low latency and reliable signal performance.Whether flying in crowded RF environments or pushing long-range distances, your link stays strong and predictable.
Pro-Active Cooling & Intelligent Power Management
Stay cool under pressure. The TX15 Maxfeatures an internal low-noise cooling fan and high-efficiency aluminum heatsinks to ensure rock-solid performance during long-range sessions. Coupled with an intelligent battery balance circuit, it maximizes power efficiency and extends your flight time safely.
Premium Gimbals, Real Stick Feel
Equipped with AG02 full CNC aluminum Hall gimbals, the TX15 Max offers smoother travel and more precise control.Lighter by over 20% than previous designs, with adjustable tension and travel — tuned for pilots who care about feel.
Built-in Gyro – Smarter Control at Your Fingertips
No more fumbling for switches in the heat of a race. TheTX15 Max uses its internal gyro to turn movement into commands. Tilt forward to check battery voltage or tilt sideways to adjust your camera angle—it’s the ultimate tool for pilots who demand maximum efficiency and customization.
Smart Active Balance Charging
Equipped with intelligent charging circuitry, the TX15 Max prevents overcharging and ensures balanced power distribution across cells—extending battery life and maximizing performance during every session.
Hybrid Storage for Flexible Model Management
Seamlessly manage your fleet with the integrated 4GB flash storage. Enjoy faster file access and reliable data protection for your EdgeTX settings. Need more? Just pop in a MicroSD card to easily transfer logs, images, and firmware between devices.
Precision Design, Tailored for You
Experience a new standard in radio design. The TX15 Max combines a foldable antenna system for maximum portability with pro-grade switches for tactile precision. Every detail, from the carbon fiber pattern to the adjustable RGB lighting, is crafted to provide a premium, customized experience for the modern pilot.
Buying Guide: RadioMaster TX15 Max
Is the RadioMaster TX15 Max Worth Buying?
The RadioMaster TX15 Max is best suited to pilots who want the color touchscreen and fast interface of a premium radio without carrying the larger TX16S. It is particularly attractive for Boxer users who want a modern H7 processor, color telemetry display and selectable 2.4GHz or 900MHz ExpressLRS.
The Max version does not provide more RF power, processing speed or ELRS capability than the standard TX15. Its main upgrades are the AG02 CNC aluminum gimbals, RGB gimbal rings, aluminum controls and carbon-fiber-look faceplate. Therefore, the Max is worth the additional cost when stick feel, external adjustment and premium construction matter to you. The standard TX15 remains the better-value option for pilots satisfied with V5.0 Hall gimbals.
RadioMaster lists the same H7 processor, screen, LR1121 ELRS system, storage and battery compatibility for both models.
Carbon-look faceplate with anodized aluminum controls
Weight Without Battery
605g
672g
Core Performance
Same H7 processor, touchscreen and ELRS system
Same H7 processor, touchscreen and ELRS system
Best Buyer
Pilots prioritizing value over premium materials
Pilots who want the best gimbal feel and premium finish
Pilot Review
In RC-SOAR’s hands-on review, the TX15 Max weighed approximately 800g with batteries, compared with 930g for the reviewer’s TX16S with AG01 gimbals. The sculpted grips and correctly positioned neck-strap hook remained comfortable over extended use.
The AG02 gimbals felt smooth with clearly defined centers. EdgeTX’s analog monitor showed excellent center and endpoint repeatability with virtually no visible jitter. The factory-installed springs felt too soft to this particular reviewer, but firmer springs are included in the package.
During an approximately one-hour F3F glider test using an ER6 receiver and GPS sensor, the logged VFR remained close to 100%, with only occasional brief drops to 95%. This is useful evidence from one specific line-of-sight flight—not a universal maximum-range test.
Understanding the TX15 Max ELRS System
The internal LR1121 module supports both 2.4GHz and Sub-G 900MHz, but the TX15 Max uses one frequency at a time. The band is selected through the ExpressLRS LUA tool, and the receiver must support the same frequency.
Choose 2.4GHz for most FPV racing, freestyle, tiny-whoop and everyday drone builds.
Choose Sub-G 900MHz when using a matching 868/915MHz receiver for compatible long-range or RF-challenging applications.
Choose the TX16S MK3,GX12 or an external Nomad module if you specifically need Gemini/Xrossband simultaneous dual-band transmission.
If feel so well on the hand. This is the best upgrade from the pocket to the TX15
Color：RedVersion：ELRSRegion：FCC
Replied by MEPSKING:Thank you for your great feedback! We're glad to hear that the RadioMaster TX15 Max feels comfortable in your hands and has been a worthy upgrade from the Pocket. Enjoy your flights, and we hope it brings you even more exciting FPV adventures!
P*********y
Verified
This is really amazing! Keep it up!
Color：GoldVersion：ELRSRegion：FCC
Additional reviews after 1
day
I will buy again in this shop! Fast delivery and good customer service!
Replied by MEPSKING:Thank you for your kind feedback! We’re really glad to hear you’re happy with the fast delivery and customer service. Your support means a lot to us, and we’ll keep working hard to maintain this experience for you. Looking forward to serving you again next time! Happy Flying!
j********5
Verified
Ótimo rádio.
Color：GoldVersion：ELRSRegion：FCC
Purchased 10 times
Replied by MEPSKING:Obrigado pelo seu feedback! Ficamos felizes que você gostou — esperamos que seus voos de FPV sejam suaves e divertidos com seu novo rádio 🚀
T****n
Verified
This could be the best controller of 2025. It's an ideal controller for drone pilots. It's small and portable. I think its only drawback is the lack of the AG01 gimbal. I couldn't get used to the AG02.
Color：GoldVersion：ELRSRegion：FCC
Purchased 6 times
Replied by MEPSKING:Thanks for the detailed feedback! Glad you love the portability and performance 🎮 We appreciate your thoughts on the AG02 gimbal as well. Happy flying and thanks for supporting Mepsking 🚀
C******o
Verified
Totally worth the wait. The smooth gimbal response is crucial for my cinematic jobs. Highly recommend.
Color：GoldVersion：ELRSRegion：FCC
R**********9
Verified
Running 2.4G at 1000Hz for spec racing and it's completely locked in. Zero latency issues. Switches feel very tactile and durable.
Color：BlackVersion：ELRSRegion：FCC
T***************n
Verified
Just got the TX15 Max and the H7 chip makes the interface feel lightning fast. The dual-band ELRS gives me so much confidence flying long range. To be fair, it’s a bit of a splurge, but the gimbal precision is top-tier. Shipping was faster than expected to Europe and Mepsking wrapped it really well to prevent any damage. Best transmitter I've owned so far.
Color：BlackVersion：ELRSRegion：FCC
T***************n
Verified
Just got the TX15 Max and the H7 chip makes the interface feel lightning fast. The dual-band ELRS gives me so much confidence flying long range. Mepsking wrapped it really well for shipping.
Color：BlackVersion：ELRSRegion：FCC
Additional reviews after 27
days
Been using it daily for a month now. The gimbals haven't lost any smoothness. Mepsking definitely earned a returning customer here with their fast delivery.
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FAQFeel free to ask us any questions
Q: What battery types are compatible with the TX15 Max?
A: The TX15 Max supports multiple power options including dual 18650 lithium-ion batteries, a single 21700 cell, or a 2S LiPo pack (7.4V). It's designed with internal charging via USB-C, but batteries are not included in the package.
Q: Can I use the TX15 Max as a USB joystick for simulators?
A: Yes. The TX15 Max functions as a standard USB joystick when connected via USB-C, making it compatible with popular flight simulators on PC such as Liftoff, Velocidrone, and DRL Simulator.
Q: What is the benefit of the STM32 H7 processor?
A: The STM32 H7 is the fastest processor ever used in a RadioMaster radio. It provides a significantly smoother EdgeTX interface, near-instant model switching, and enough processing power to handle complex LUA scripts and high-speed telemetry without any lag.
Q: How does the dual-band ELRS work on the TX15 Max?
A: The TX15 Max features an integrated LR1121 RF unit that supports both 2.4GHz and 900MHz ExpressLRS. This ensures maximum signal penetration and ultra-low latency, allowing you to choose the best frequency for your specific flying environment (long-range or high-density racing).
A: Can I expand the storage of the TX15 Max?
Q: The TX15 Max comes with 4GB of internal flash storage for models and scripts. While it also includes a MicroSD card slot for additional flexibility, the onboard storage is designed to be faster and more reliable for daily use.
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