The LiteRadio 4 Radio Transmitter redefines entry-level radio transmitter, offering professional 10-channel operation in an ultra-portable package perfect for new pilots. With two new dedicated trim switches for instant mid-flight adjustments, it delivers razor-sharp control whether you're flying drones, mastering drone soccer, robot or fixed wing. Its advanced-coated gimbals deliver silky-smooth, durable operation, paired with Bluetooth wireless modes for seamless simulator training across PCs, tablets, and mobile devices. Built for endurance, the 1S 2000mAh battery powers 8+ hours (at 25mW) of flight or practice and recharges fully in 40 minutes via 15W fast charging.

From your first simulator sessions to real-world flight mastery, the LiteRadio 4 combines durable construction with intuitive operation, proving you don't need complexity to achieve professional-grade precision. The perfect launchpad for your radio control journey.

LiteRadio 4 Radio Transmitter - train on the go, dominate in the air

LiteRadio 4 Twilight Limited Edition: Fly with Grace, Command with Confidence

Inspired by the serene tones of skyline in the Blue Hour, the LiteRadio 4 Twilight – a limited release of only 1,000 units – combines artistry with engineering in a soft gray-blue finish that evokes calm and focus. This edition elevates performance with Hall Gimbals, delivering pro-level precision for unparalleled smoothness, buttery-smooth control, and exceptional durability. Retaining all the features of the standard version – 10-channel customization, 5D trim adjustments, Bluetooth simulator connectivity, and the 1S 2000mAh battery, the Twilight edition wraps uncompromised capability in an exclusive design. Whether navigating complex FPV routes or executing delicate maneuvers, the LiteRadio 4 Twilight ensures every input feels effortless and every moment in the air remains fluidly in control.

Bullet Points

Ergonomic Portability: Lightweight design offers all-day comfort for training or travel.
10-Channel Customization: Two new tactile switches expand output channels to 10, enabling more flexible controls for drones, robots, drone soccer, and fixed-wing models.
5D Trim Adjustments: Two dedicated trim switches allow pilots to effortlessly fine-tune joystick offsets mid-flight for instant balancing.
Advanced-Coated Gimbal Sensor: Anti-wear coating ensures smooth, accurate stick movement with better durability.
Wireless Simulator Ready: Bluetooth Joystick Mode connects wirelessly to FPV simulators on PC, mobile, or tablet.
Fast-Charging Battery: Built-in 1S 2000mAh battery delivers 8+ hours of runtime at 25mW, with 15W charging in just 40 mins.
Latest LiteRadio Transmitter: Incorporates BETAFPV’s advanced radio transmission technology for reliable, low-latency control.

Specifications

Item: LiteRadio 4 Radio Transmitter
Channel: 10
Color: Gray (Standard Version), gray blue (Twilight Limited Edition)
Gimbal: Potentiometer (Standard Version), Hall (Twilight Limited Edition)
RF System: ExpressLRS 2.4G
RF Output Power: 25mW/50mW/100mW (adjustable)
Simulator Connection: Bluetooth and USB-cable connection
Supported Simulator: Most simulators and DJI Virtual Flight
Port: Type C port (integrates data transfer and charging)
Charging Power: 5V, max 3A
Battery: Built-in 1S 2000mAh LiPo
Endurance: 4-5 hours at 100mW or max 8 hours at 25mW
Weight: c. 210g
Dimensions: 172.5mm*118.5mm*72.5mm

Diagram

Enhanced Control & Precision at Your Fingertips

The LiteRadio 4 Radio Transmitter elevates pilot mastery with advanced-coated gimbal sensor, two tactile switches and trim switches. 10 output channels now offer more advanced customization with responsive and ergonomic handling, while the trim switches offer 4-directional adjustments with central-tap reset capability - enabling instant in-flight balancing when it matters most. Combined with the advanced-coated gimbal sensor—optimized for silky responsiveness and extended durability—the LiteRadio 4 transforms complex tasks into intuitive actions.

LiteRadio 4 Radio Transmitter - precise control

Whether mastering drone, robot, drone soccer, or fixed wing, the LiteRadio 4’s enhanced functionality ensures pilots enjoy unparalleled responsiveness and adaptability. Every input is sharper, Every adjustment effortless.

LiteRadio 4 Radio Transmitter for controlling drones, robot, drone soccor and fixed wing

Train Wirelessly On Any Simulator, Anywhere

The LiteRadio 4 transforms pilot training with its Bluetooth Joystick Mode, offering instant wireless connectivity to FPV simulators across PCs, mobile devices, and tablets. Hone your skills in lifelike environments—no cables, no hassle. Furthermore, the Xbox Mode delivers integration with DJI Virtual Flight, offering the most authentic DJI training experience outside actual flight. Perfect your maneuvers in hyper-realistic aerial simulations, bridging the gap between practice and real-world performance.

LiteRadio 4 Radio Transmitter wireless connection

Start Small, Control Big

The LiteRadio 4 Radio Transmitter packs professional-grade control into a remarkably compact form. Small enough for your backpack yet powerful enough for competition, its lightweight design doesn’t sacrifice durability—making it the perfect companion for training at home, at the field, or anywhere inspiration strikes.

LiteRadio 4 Radio Transmitter - portable

Fly Longer, Charge Faster

Powered by the built-in 1S 2000mAh LiPo battery, LiteRadio 4 delivers 4-5 hours of operation at 100mW or max 8+ hours at 25mW—enough for all-day training or competition. When it’s time to recharge, the upgraded 15W fast charging gets you back in the air in just 40 minutes.

LiteRadio 4 Radio Transmitter 2000mAh battery

Evolving Excellence: The LiteRadio Series

From the original LiteRadio 1 to the advanced LiteRadio 4, BETAFPV’s LiteRadio serieshas redefined compact, high-performance radio transmitters. Now, the LiteRadio 4 elevates the series with 10-channel output, dual trim switches, 15W fast charging, and dual-mode wireless simulator support, making it the most versatile and precise transmitter in the lineup. Each iteration in the LiteRadio lineage demonstrates BETAFPV's dedication to innovation, delivering increasingly sophisticated performance while maintaining the accessible, user-friendly design that made the original so popular.

LiteRadio Series Radio Transmitter

All Your Favorite FPV Simulators, One Controller

Experience the ultimate flexibility with LiteRadio 4, your gateway to popular FPV simulators like VelociDrone, Liftoff, TRYP, Erea Drone, DRL, DCL, DJI, etc. Whether you're on a desktop, Android device, or tablet, LiteRadio 4 ensures smooth compatibility across all platforms. With the added Xbox mode, enjoy effortless integration with the DJI Flight Simulator on Windows system and elevate your virtual flying experience to new heights.

LiteRadio 4 Radio Transmitter - compatible with most simulators

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How can I enable compatibility with Android devices on LiteRadio 2 SE, LiteRadio 3 and LiteRadio 4?

BETAFPV Configurator

The BETAFPV Configurator is an open-source configuration tool tailored for BETAFPV drones and remote controls. It enables pilots to effortlessly configure and fine-tune various parameters, ensuring more efficient and optimized flight control.

The BETAFPV Configurator V2.0.0, officially released in December 2024, introduces several exciting improvements:

Support macOS and Linux (Debian family) platforms.
Support almost all LiteRadio transmitters, including LiteRadio 1 (FrSky), LiteRadio 2 SE V2 (FrSky, ELRS2 & ELRS3), LiteRadio 3 (FrSky, ELRS2 & ELRS3), LiteRadio 4 (ELRS3) and LiteRadio 4 SE (ELRS3).
Resolved various known bugs for improved performance.

Download address: https://github.com/BETAFPV/BETAFPV_Configurator/releases

Manual: https://support.betafpv.com/hc/en-us/article_attachments/40772076147737

BETAFPV Configurator features:

Easy Parameter Adjustment: Designed for BETAFPV's LiteRadio series and Cetus drones with position-hold and auto-hovering features, the software allows pilots to effortlessly adjust PID controller parameters through an intuitive graphical interface, optimizing flight performance with ease.
Real-Time Feedback: Instantly displays the effects of parameter adjustments, providing real-time monitoring and helping pilots quickly evaluate and refine settings for the drones or remote controls.
Efficient Troubleshooting: With built-in diagnostic tools, the software assists pilots in checking firmware versions and product status when a issue arises, making it easier to identify and resolve issues, minimizing downtime.
Streamlined Firmware Flashing: Features a user-friendly firmware flashing mechanism for drones and remote controls, complete with guided instructions and progress indicators, ensuring smooth, error-free updates.

LiteRadio 4 Radio Transmitter - BETAFPV Configurator