RadioMaster Boxer Max Radio Controller (M2) - ELRS Version - Black
RadioMaster Boxer Max Radio Controller (M2) - ELRS Version - Black - Image 2
RadioMaster Boxer Max Radio Controller (M2) - ELRS Version - Black - Image 3
SKU: DRFC-3381
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RadioMaster Boxer Max Radio Controller (M2) - ELRS Version - Black

₹26,469.00 (Inclusive of all taxes)
Out of Stock

The RadioMaster Boxer Max (M2) is a high-performance ELRS 2.4GHz radio transmitter featuring CNC AG01 Hall-effect gimbals, EdgeTX firmware, and a built-in cooling fan, designed for FPV drone pilots and RC enthusiasts requiring precise, long-range control.

Features

  • Integrated 2.4GHz ExpressLRS module with adjustable RF output and 1000Hz refresh rate.
  • CNC-machined AG01 Hall-effect gimbals and upgraded CNC buttons/roller for premium tactile feedback.
  • Powered by EdgeTX firmware on an STM32F407VGT6 processor for extensive model and telemetry support.
  • Large battery compartment supports 2S LiPo or dual 18650 cells for extended 20+ hour operation.
  • Includes internal cooling fan (ELRS version), QC3.0 fast charging, and a JR-compatible external module bay.

Out of stock

Description

The RadioMaster Boxer Max (M2) ELRS transmitter combines robust hardware with open-source software for a versatile control platform. Its carbon-fiber patterned case houses an STM32F407VGT6 MCU running EdgeTX, providing 16 channels and deep integration with ExpressLRS for low-latency, long-range RF links. The internal ELRS backpack features a cooling fan to maintain stable performance during high-power, high-refresh-rate operation.

Ergonomics are prioritized with adjustable-length CNC metal folding handles, replaceable leather grips, and a redesigned low-profile switch layout. The oversized battery bay and QC3.0 fast-charging circuit support intensive flying sessions, while the standardized JR module compartment ensures compatibility with a wide range of external RF systems like Crossfire or FrSky.

Key Features

  • AG01 CNC Hall-Effect Gimbals: Precision-machined aluminum gimbals with magnetic sensors for smooth, center-hold-free stick control and exceptional durability.
  • High-Performance ELRS Backpack: Internal 2.4GHz ExpressLRS module supports up to 1000Hz packet rate with adjustable RF power output and integrated active cooling.
  • EdgeTX Firmware Platform: Pre-installed open-source firmware offers unlimited model memory, advanced mixing, Lua scripting, and seamless updates via EdgeTX Companion.
  • Extended Battery & Charging System: Accommodates large 2S LiPo packs or dual 18650 cells; features QC3.0 fast-charging via USB-C for rapid field turnaround.
  • Premium Build & Modular Design: Carbon-fiber textured case, CNC metal buttons/roller, adjustable folding stand, and interchangeable grip panels for personalized ergonomics.
  • Comprehensive Connectivity: Standard JR external module bay, external power slots, USB-C data/power port, and a microSD card slot for sound packs and firmware.
  • Complete Protection & Accessories: Includes signature hard carry case, gimbal protectors, screen protector, neck strap, and all necessary mounting hardware.

Applications

  • Primary transmitter for long-range FPV drone builds utilizing ExpressLRS 2.4GHz receivers.
  • High-performance control for 5-inch and larger racing/freestyle drones requiring low-latency, high-refresh-rate links.
  • Versatile platform for fixed-wing, helicopter, and other RC models via the JR-compatible external module bay.
  • Ideal for pilots who value customizable ergonomics and extended flight sessions with large battery capacity.
  • Suitable for both beginner and advanced users leveraging the extensive capabilities of the EdgeTX ecosystem.

Technical Specifications

Item TypeRadio Controller
ColorBlack
Internal RF ProtocolExpressLRS 2.4GHz
Frequency Range2.400GHz - 2.480GHz
Cooling SystemBuilt-in Fan (ELRS Version)
MCUSTM32F407VGT6 (1MB Flash, 192KB RAM)
FirmwareEdgeTX (Transmitter) / ELRS (RF Module)
Max Channels16 (Receiver Dependent)
Voltage Input6.6V - 8.4V DC
Battery Compatibility7.4V 2S LiPo or Two 3.7V 18650 Cells (Not Included)
Display128 x 64 Monochrome LCD
Gimbal TypeAG01 CNC Hall-Effect Gimbal
External Module BayJR / FrSky / Crossfire Compatible
Upgrade MethodUSB-C / SD Card via EdgeTX Companion
ChargingQC3.0 Fast Charging (2.0A Max)
Shipping Weight1.308 kg
Shipping Dimensions24 x 21 x 11 cm

Frequently Asked Questions

What batteries does the RadioMaster Boxer Max use, and what is its typical operating duration?

The Boxer Max accepts a 7.4V 2S LiPo pack or two standard 3.7V 18650 lithium-ion cells (not included). With a large-capacity 2S 6200mAh LiPo, it can provide up to 20 hours of continuous operation. The integrated QC3.0 fast-charging circuit allows for quick recharging via the USB-C port.

Is the internal ELRS module's RF power adjustable, and does it have a cooling fan?

Yes, the built-in ExpressLRS 2.4GHz module features adjustable RF output power, configurable via the EdgeTX Lua script or the ExpressLRS web interface. The ELRS version of the Boxer Max includes a dedicated internal cooling fan to ensure stable performance during high-power, high-refresh-rate (up to 1000Hz) operation.

Can I use other long-range systems like TBS Crossfire with this transmitter?

Absolutely. The Boxer Max includes a standard JR-style external module bay compatible with systems like TBS Crossfire, FrSky R9, or other JR-formatted modules. The transmitter can supply power to the external module via dedicated slots in the battery cover, allowing seamless integration of additional RF protocols.

How do I update the EdgeTX firmware and the ExpressLRS module firmware?

EdgeTX firmware is updated via the EdgeTX Companion PC software over a USB-C connection. The internal ExpressLRS module firmware can be updated using the ExpressLRS Configurator, either wirelessly via Wi-Fi or via a passthrough flash method through the EdgeTX interface. Both processes are well-documented by the respective open-source communities.

Package Includes

  • 1 x BOXER Max Radio Controller (Black)
  • 1 x Signature Hard Carry Case
  • 1 x T-Shaped Antenna
  • 1 x USB-C Cable
  • 1 x Gimbal Protector
  • 1 x 1.5mm Allen Key
  • 2 x M4*4 Screws
  • 4 x Low Tension Springs
  • 1 x Set of Stickers
  • 1 x User Manual
  • 1 x 18650 Battery Tray (Batteries Not Included)
  • 1 x RadioMaster Neck Strap
  • 1 x Boxer Key Chain
  • 1 x Screen Protector

Additional Information

Weight 1.308 kg
Dimensions 24 × 21 × 11 cm

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