Flysky FS-i4 2.4GHz 4CH RC Transmitter + FS-A6 Receiver

Flysky FS-i4 AFHDS 2A 2.4GHz 4-Channel RC Radio System with FS-A6 Receiver

Take full command of your RC aircraft with the Flysky FS-i4 4-Channel 2.4GHz Radio Transmitter. Designed for hobbyists of all skill levels, this affordable and reliable radio system is perfect for fixed-wing planes, gliders, and helicopters. With its ergonomic grip and rock-solid AFHDS 2A signal technology, you'll stay in confident control through every flight session.

Why Choose the Flysky FS-i4?

• Interference-Free 2.4GHz AFHDS 2A Signal – Automatic frequency hopping keeps your connection stable and reliable, even in crowded flying areas.
• 4-Channel Operation – Enough channels to control all primary flight axes on planes, gliders, and helicopters.
• Includes FS-A6 6-Channel Mini Receiver – Compact at just 45 × 23 × 9mm and weighing only 13g, it fits easily into most RC aircraft builds.
• Easy Binding Procedure – Simple plug-and-bind setup gets you in the air faster with minimal fuss.
• Ergonomic Design – Comfortable to hold during long flying sessions; lightweight at just 335g.
• AA Battery Powered – Runs on 4 × AA batteries (not included) — easy to replace anywhere, anytime.
• Suitable for Ages 6–12 and Up – Great as an introductory or upgrade radio for young RC enthusiasts.

Transmitter Specifications

• Channels: 4
• Compatible Models: Fixed-Wing / Glider / Helicopter
• RF Range: 2.405–2.475GHz
• Bandwidth: 500KHz | Band: 142
• RF Power: Less than 20dBm
• 2.4G System: AFHDS 2A and AFHDS
• Code Type: GFSK | Sensitivity: 1024
• Low Voltage Warning: <4.2V
• DSC Port: PS2; Output: PPM
• Antenna: 26mm × 2 (Dual Antenna)
• Power: 6V (4 × 1.5V AA batteries)
• Display: LED Indicator
• Dimensions: 174 × 89 × 190mm | Weight: 335g | Color: Black

FS-A6 Receiver Specifications

• Channels: 6
• Compatible Models: Airplane / Glider / Helicopter
• RF Range: 2.405–2.475GHz
• Bandwidth: 500KHz | Band Sum: 142
• RF Receiver Sensitivity: -105dBm
• 2.4G System: AFHDS 2A
• Code Type: GFSK | Sensitivity: 1024
• Power: 4.5–6.5V DC
• Antenna Length: 26mm
• Dimensions: 45 × 23 × 9mm | Weight: 13g | Color: Gray (Transparent)

What's in the Box

• 1 × Flysky FS-i4 4CH Transmitter
• 1 × FS-A6 6CH Mini Receiver
• 1 × Bind Plug

Note: 4 × AA batteries are required for the transmitter but are NOT included. Made in Mainland China.

Explore More RC & Hobby Gear

Pair your new radio system with the right accessories. Check out our 1.2m Aux Audio Cable with Mic & Volume Control for your RC pit setup, or browse our 1-to-5 SATA Power Splitter Cable for your workshop electronics needs.

For more information on RC hobby safety and guidelines for young pilots, visit the U.S. Consumer Product Safety Commission (CPSC) Toy Safety Resource.

Frequently Asked Questions

Q: Is the Flysky FS-i4 compatible with all RC aircraft?

A: The Flysky FS-i4 is compatible with fixed-wing aircraft, gliders, and helicopters that support the AFHDS 2A or AFHDS 2.4GHz protocol. Always check your aircraft's receiver compatibility before purchasing.

Q: Does the Flysky FS-i4 come with batteries?

A: No, batteries are not included. The FS-i4 transmitter requires 4 × AA batteries (1.5V each) to operate. These are widely available and easy to replace in the field.

Q: How do I bind the FS-i4 transmitter to the FS-A6 receiver?

A: Binding is straightforward: insert the included bind plug into the receiver's bind port, power on the receiver, then turn on the transmitter while holding the bind button. The LED on the receiver will confirm a successful bind. Detailed instructions are included with the package.

Q: What is the control range of the Flysky FS-i4 system?

A: The FS-i4 operates on the 2.4GHz AFHDS 2A frequency with dual antennas, providing a strong, interference-resistant signal suitable for typical RC flying distances. Always fly within your legal and visual line-of-sight limits.