FS-IA6B

Overview

The FlySky FS-i6X 6-Channel Receiver (FS-IA6B) is a compact and versatile 2.4GHz AFHDS 2A receiver designed for RC enthusiasts seeking reliable radio control performance. Whether you're piloting an RC car, truck, boat or aircraft in the UK, this 6-channel receiver delivers robust connectivity and flexible output options that make it an excellent choice for both newcomers to RC hobbies and experienced pilots looking for dependable equipment. At just 10 grams and measuring only 47 × 26.2 × 15 mm, this receiver is engineered to fit into tight spaces on your RC model whilst maintaining exceptional build quality and performance standards.

The FS-IA6B stands out in the competitive RC receiver market by combining genuine FlySky engineering with practical features that matter to UK RC enthusiasts. Its dual copper tube antenna system provides extended range capabilities, reaching up to 1500 metres in the air under optimal conditions. The receiver supports multiple output protocols—PWM, PPM, i.bus and s.bus—making it compatible with a wide variety of electronic speed controllers and servo configurations. Whether you're setting up a ready-to-run RC model or integrating this receiver into a custom build, the FS-IA6B adapts to your needs with ease and reliability.

FlySky receivers have earned a reputation in the RC community for delivering consistent performance at competitive prices. The FS-IA6B continues this tradition, offering the kind of dependable radio link that allows you to focus on enjoying your RC experience rather than worrying about connectivity issues. With online update capability built in, you can future-proof your investment and ensure your receiver benefits from the latest firmware improvements and compatibility enhancements.

Key Features

• 6 PWM Channels — This receiver provides six independent control channels, giving you flexibility to operate multiple servos, speed controllers and auxiliary devices simultaneously. Whether you're running a complex multi-servo aircraft or a feature-rich RC car with separate steering and throttle channels, six channels provide ample control authority for most RC applications without complexity.
• 2.4GHz AFHDS 2A Wireless Protocol — Operating on the licence-free 2.4GHz frequency band with FlySky's AFHDS 2A protocol ensures reliable, interference-resistant communication between your transmitter and receiver. This frequency band is recognised globally and delivers the secure digital link that modern RC enthusiasts demand, minimising dropouts and signal loss even in crowded RF environments.
• Exceptional Range Performance — With a maximum range of 500 to 1500 metres in the air, the FS-IA6B allows you to explore vast spaces with your RC model whilst maintaining a rock-solid connection. This range capability is particularly valuable for FPV flying, long-distance RC car racing on UK courses, or simply enjoying your model with confidence knowing the signal will hold strong.
• Dual Copper Tube Antennas — Two 150mm copper tube antennas are integrated into this receiver, providing redundancy and excellent signal reception from multiple angles. The dual antenna design means you maintain a strong link even if your model moves through awkward orientations, which is crucial when performing aerobatic manoeuvres or navigating technical terrain in RC driving.
• Multi-Protocol Output Options — Support for PWM, PPM, i.bus and s.bus output formats means the FS-IA6B integrates seamlessly with virtually any modern ESC or servo system available in the UK RC market. This flexibility eliminates compatibility headaches and allows you to use the receiver with equipment from multiple manufacturers without needing adapters or workarounds.
• RSSI Feedback Support — The integrated RSSI (Received Signal Strength Indicator) function provides real-time feedback on your radio link quality, allowing compatible transmitters to display signal strength information. This feature gives you confidence that your connection is strong and helps you understand when environmental factors might be affecting reception.
• Wide Operating Voltage Range — Operating from 4.0 to 8.4 volts means the FS-IA6B works with single-cell LiPo batteries, multiple NiMH cells, or standard RC battery packs. This voltage compatibility removes the guesswork when powering your receiver and simplifies integration into existing RC setups across the UK market.
• Online Update Capability — Your investment is future-proofed thanks to online update functionality that allows you to download and install firmware improvements and new features as FlySky releases them. This forward-thinking approach means your receiver can benefit from protocol improvements and enhanced compatibility without needing hardware replacement.
• Compact and Lightweight Design — Weighing just 10 grams and measuring 47 × 26.2 × 15 mm, the FS-IA6B is engineered for space-constrained applications where every gram and millimetre matters. The compact footprint makes installation straightforward in crowded airframes, chassis cavities and fuselages, whether you're building a micro RC aircraft or integrating it into a complex race setup.
• Wide Environmental Operating Range — Designed to function reliably between -10°C and +60°C with humidity tolerance up to 95%, the FS-IA6B handles diverse UK weather conditions and environments. From cold winter flying sessions in Scotland to humid summer operations near the coast, this receiver maintains consistent performance across seasonal variations.
• International Certifications — The FS-IA6B carries CE, RCM and FCC certifications (FCC ID: N4ZFLYSKYIA10), confirming compliance with international electromagnetic compatibility and safety standards. For UK users, this certification assures you're purchasing equipment that meets recognised safety and performance standards.

Technical Performance

The FlySky FS-IA6B receiver represents a carefully engineered balance between simplicity and capability. Its 2.4GHz AFHDS 2A protocol operates digitally, providing strong rejection of RF interference that can plague older analogue systems. The dual copper tube antenna design operates on the principle of spatial diversity—by receiving signals on two physically separated antennas, the receiver can select the strongest signal path moment-by-moment, significantly improving link reliability during aggressive manoeuvres when the model rotates through different orientations. The receiver's six PWM channels provide up to 1500 microseconds of pulse width modulation per channel, offering the resolution necessary for precise servo control and smooth throttle management on electric speed controllers. Construction quality is evident in the compact PCB design, with all critical components potted and protected against moisture and physical shock. The 4.0 to 8.4 volt operating range reflects careful power supply design, with internal voltage regulation ensuring consistent channel output regardless of input voltage variations caused by battery discharge or fluctuating charger outputs. Temperature performance between -10°C and +60°C covers practical UK operating environments, with the receiver maintaining digital lock and channel accuracy across seasonal temperature swings. The lightweight 10-gram design minimises impact on your model's weight budget, whilst the compact dimensions allow flexible mounting in tight spaces without requiring extensive mechanical modifications. The inclusion of multiple output protocols—PWM for traditional servos and ESCs, PPM for legacy systems, and modern i.bus/s.bus for contemporary digital servo and ESC ecosystems—ensures compatibility across the full spectrum of RC equipment available in the UK market.

What's in the Box

• FlySky FS-IA6B 6-channel receiver
• Dual copper tube antennas (150mm × 2)

What You Need to Complete

• Compatible FlySky FS-i6X transmitter or other compatible FlySky transmitter system
• RC battery pack (4.0–8.4V)
• Electronic speed controller compatible with PWM, PPM, i.bus or s.bus protocol
• Servo(s) or other control devices as required for your specific RC model

Frequently Asked Questions

• Is the FlySky FS-IA6B receiver compatible with all FlySky transmitters? — The FS-IA6B is specifically designed for the FlySky FS-i6X transmitter and derivatives of that system. Compatibility with other FlySky transmitter models cannot be confirmed, so if you own an older FS-i6 (without the X designation), you should contact RC Model Shop before purchasing to verify compatibility with your specific equipment.
• What is the maximum range I can expect from this receiver? — Under ideal conditions with clear line-of-sight in the air, the FS-IA6B delivers 500 to 1500 metres of reliable range. Actual range in practice depends on antenna orientation, terrain, surrounding structures and RF interference from other 2.4GHz devices. For RC flying applications, this range is more than sufficient for any typical UK RC park or flying field operation.
• Can I use this receiver with different ESC brands? — Yes, the FS-IA6B's support for PWM, PPM, i.bus and s.bus output formats means it works with electronic speed controllers from most major manufacturers including Hobbywing, Castle, Spektrum and others. Check your ESC documentation to confirm which signal protocol it accepts, then configure the receiver output accordingly.
• What battery voltage does the FS-IA6B require? — The receiver operates from 4.0 to 8.4 volts, which encompasses a wide range of RC battery options. This includes single-cell LiPo batteries (approximately 3.0 to 4.2 volts nominal to maximum charge), two or three-cell NiMH packs (around 2.4 to 3.6 volts), or dedicated receiver battery packs. Check your transmitter specifications to ensure proper voltage matching for receiver and transmitter operation.
• Is the FS-IA6B suitable for beginners starting in RC hobbies? — Absolutely. The FS-IA6B's straightforward installation, compact size and reliable performance make it an excellent choice for newcomers to RC cars, planes and boats. Its multi-protocol output compatibility means you're not locked into purchasing specific branded servos or ESCs, giving you flexibility and value as you build your RC collection and skills.
• How does the dual antenna design improve performance? — The two 150mm copper tube antennas use spatial diversity reception, meaning the receiver continuously evaluates both antennas and uses whichever is receiving the strongest signal at any given moment. As your RC model manoeuvres and rotates, the optimal antenna changes continuously, but the receiver switches between them invisibly and seamlessly, maintaining a robust connection even during rapid attitude changes or when your model points directly toward or away from the transmitter.
• Can I update the firmware in this receiver? — Yes, the FS-IA6B supports online firmware updates, allowing you to download and install improvements, new features and protocol enhancements as FlySky releases them. This future-proofs your investment and ensures your receiver benefits from ongoing development without requiring hardware replacement.
• What output protocols does this receiver support? — The FS-IA6B supports four different output protocols: traditional PWM (pulse width modulation) for classic servos and ESCs, PPM (pulse position modulation) for legacy systems, modern i.bus for Flysky digital servos and controllers, and s.bus for compatibility with Futaba and other s.bus ecosystem equipment. You can select which protocol to use based on your specific RC setup.

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 FLYSKY FS-i6X 6CH 2.4GHZ RECEIVER FS-IA6B 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.