FUT05102525-3

Overview

The Futaba R2106GF is a professional-grade micro 6-channel air receiver designed specifically for RC aircraft enthusiasts in the UK who demand reliability and precision. This compact 2.4GHz receiver is the perfect choice for park flyers, slow-fly models, and electric helicopters up to 1000mm main rotor diameter. Whether you're flying lightweight foam aircraft or delicate scale models, the R2106GF delivers the dependable Futaba quality that RC pilots have trusted for decades, all packed into an ultra-lightweight form factor that won't compromise your aircraft's performance or flight characteristics.

Measuring just 38.8 x 21.5 x 10.7mm and weighing a mere 4.5 grams, this receiver is engineered for weight-sensitive builds where every gram matters. The micro design makes it ideal for incorporation into confined fuselages and tight airframes where space is at a premium. Despite its diminutive size, the R2106GF maintains full Futaba reliability and signal integrity, making it an excellent choice for anyone building custom RC aircraft or upgrading existing models with professional-quality radio control equipment.

If you're shopping for an RC receiver online in the UK, you'll appreciate that the R2106GF offers genuine value through its advanced S-FHSS/FHSS protocol with automatic detection, six channels of PWM control, and compatibility with the extensive Futaba transmitter range. This is the receiver that serious RC pilots choose when they need professional performance in a micro package.

Key Features

• S-FHSS/FHSS 2.4GHz Dual Protocol with Auto Detection — The receiver automatically detects and switches between S-FHSS (Spread Frequency Hopping Spread Spectrum) for air applications and FHSS protocols, ensuring seamless compatibility with your Futaba transmitter and eliminating the need for manual configuration or switching. This intelligent protocol handling means your receiver works reliably regardless of which Futaba radio system you're using.
• 6-Channel PWM Control — Six independent channels of Pulse Width Modulation control give you comprehensive command authority over your aircraft, allowing precise management of throttle, elevator, aileron, rudder, and two additional auxiliary channels for landing gear, flaps, or other optional functions. This level of control is essential for smooth, responsive flying of park flyers and slow-fly models.
• Micro Ultra-Lightweight Design — At just 4.5 grams with dimensions of 38.8 x 21.5 x 10.7mm, this receiver is one of the lightest available in the 6-channel category. The compact form factor is specifically engineered to fit into small fuselages without adding significant weight, making it ideal for performance-focused aircraft builds where every gram affects flight duration and manoeuvrability.
• Wide Operating Voltage Range — The receiver operates reliably across 4.8V to 7.4V DC, providing flexibility in battery selection and power distribution architecture. This voltage tolerance accommodates both standard 4-cell NiMH packs and modern LiPo batteries, giving you options when selecting power systems for your aircraft.
• Professional Futaba Build Quality — Futaba has been the trusted name in radio control since 1962, and the R2106GF carries that heritage of engineering excellence and reliability. The compact electronics are built to withstand the vibrations and stresses of flight whilst maintaining consistent signal reception and command execution across all channels.

Technical Performance

The Futaba R2106GF represents professional receiver engineering condensed into a micro form factor specifically optimised for lightweight aircraft applications. Operating across the 2.4GHz frequency band using S-FHSS and FHSS protocols, this receiver delivers the robust, interference-resistant signal quality that Futaba is known for, protecting your aircraft from radio interference even in areas with congested wireless traffic. The six PWM output channels provide direct servo control capability, allowing integration with standard RC servos and auxiliary components without additional signal conversion or processing. With an operating voltage specification of 4.8V to 7.4V DC, the receiver accommodates various battery configurations, from traditional four-cell NiMH battery packs to modern LiPo batteries, giving you flexibility in your power distribution design. The 4.5-gram weight is carefully managed through component selection and PCB design, ensuring that the receiver's mass contribution is minimised whilst maintaining the structural integrity and electronic reliability required for consistent in-flight performance. The compact dimensions of 38.8 x 21.5 x 10.7mm allow installation in confined airframe spaces, making it perfect for park flyer construction, foam aircraft builds, and compact electric helicopter platforms up to 1000mm main rotor diameter. This is receiver technology built by engineers who understand that in RC aircraft, reliability and lightweight design must never be compromised.

What's in the Box

• Futaba R2106GF 6-Channel Air Receiver

What You Need to Complete

• Compatible Futaba S-FHSS or FHSS transmitter
• RC servos (quantity and type depending on your aircraft configuration)
• Battery pack rated 4.8V to 7.4V DC
• Aircraft airframe and structure

Frequently Asked Questions

• Is the Futaba R2106GF suitable for beginners building their first RC aircraft? — Yes, absolutely. While this is a professional-quality receiver, it's equally suitable for beginners because Futaba receivers are reliable and straightforward to use. The automatic S-FHSS/FHSS protocol detection eliminates complex setup procedures. Beginners should pair it with a quality Futaba transmitter and follow the manufacturer's binding instructions. The 6-channel capability provides more than enough control authority for learning to fly park flyers and slow-fly models safely.
• What battery does the Futaba R2106GF need? — The receiver operates from 4.8V to 7.4V DC, which means it's compatible with both 4-cell NiMH battery packs (nominal 4.8V) and 2-cell LiPo batteries (nominal 7.4V). Many RC pilots prefer LiPo batteries for their energy density and lighter weight, which complements the R2106GF's ultra-lightweight design. Always ensure your battery pack is properly regulated and that connectors are secure before flight.
• Can I use this receiver with any Futaba transmitter? — The R2106GF works with Futaba transmitters that support S-FHSS (air mode) or FHSS protocols. The receiver's automatic protocol detection means it will work seamlessly with compatible Futaba radios without manual switching. If you're unsure about compatibility with your specific transmitter model, consult the Futaba compatibility documentation or contact a Futaba stockist in the UK.
• Why would I choose the R2106GF over larger receiver options? — The primary advantage is weight and size. At 4.5 grams and measuring just 38.8 x 21.5 x 10.7mm, this receiver is ideal for weight-sensitive aircraft where every gram affects flight performance, endurance, and handling characteristics. If you're building park flyers, slow-fly scale models, or compact electric helicopters, the R2106GF's micro form factor makes it the intelligent choice. Larger receivers would add unnecessary weight and require more fuselage space.
• Is the R2106GF waterproof or weather-resistant? — The product specifications do not indicate waterproof or weather-resistant ratings. As with most RC electronic components, the receiver should be protected from moisture, rain, and water submersion. Always store and transport the receiver in a protective case, and ensure your airframe structure provides adequate shielding during flight in outdoor conditions.
• How many servos can I connect to the R2106GF? — The receiver provides six independent PWM output channels, which means you can connect up to six servos or servo-driven components. Typical aircraft configurations use channels for throttle, elevator, aileron, and rudder (four servos), with two channels remaining for auxiliary functions like flaps, landing gear, or camera control. Your specific configuration depends on your aircraft design and control requirements.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Futaba R2106GF 6-Channel (PWM) Air Receiver Micro S-FHSS / FHSS FUT05102525-3 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.