RadioLink Eneopterinae F121 Pro

Education* Training*

Easy from Zero to Hero

Education and Training

Altitude holding via inertial navigation and PID autotuning makes it easy to go from zero to hero.

The size is small and easy to carry, making it fully enjoyable even in small indoor spaces.

The angle of the camera can be adjustable; you can set it up to 15 degrees or 0 degrees, depending on FPV racing with Altitude Hold Mode or Manual Mode.

A spare voltage output port can be used for a timer designed for a racing competition.

Four Flight Modes

Worry-free Practice

Beginners can start from Altitude Hold Mode to Stabilize Mode to Manual Mode and easily achieved the advanced level as a drone master.

At manual mode, high speed and unlimited rolling angle enabling the possibilities of different freestyle, pilots can fully enjoy the racing time.

The fourth mode is 360 Angle Flips that combine switch (CH7) with aileron or elevator sticks to perform cool aerial stunts.

Disarm

Arm

Altitude Hold Mode

Stabilize Mode

Manual Mode

360 Angle Flips Mode

Altitude Holding by Inertial Navigation

The flight controller F121 Pro developed by RadioLink combines Kalman filtering technology and inertial navigation algorithm (gyro+accelerometer+barometer), allowing F121 Pro flight with accuracy altitude hold even through narrow space or no matter how close to the surface (even less than 10 centimeters height).

High Speed at Altitude Hold Mode

Overcoming the defects of Euler angles singular value and using rotation vector algorithms, the flight controller F121 makes F121 Pro possible to rise and descend at high speed even with Altitude Hold Mode.

Throw and Flight at Any Angle

F121 Pro can be thrown and starts to fly at any angle. A fixed head without a compass means the head of F121 Pro always remains in the same direction if the rudder stick is not moved. Otherwise, it will change according to the rudder stick. Move with a simultaneous response, F121 Pro makes every beginner flight like a master.

Fast Response with Virtually Zero Latency

The transmitter uses RadioLink’s latest T8S 8-channel portable gamepad-style controller with Bluetooth connectivity for mobile APP parameter tuning. It delivers a stable airborne control range of over 2,000 meters and supports hundreds of pilots competing simultaneously at the same venue without interference.

The RF system is based on the U.S. TI CC2500 chip and features the same gimbal assembly as the AT9S Pro, along with Japanese NOBLE potentiometers equivalent to those used by FUTABA, achieving the same stable 0.25 µs servo resolution as the AT9S Pro.

Control is smooth, precise, and highly responsive. Even in altitude-hold mode, the aircraft can perform rapid braking and instant stops, providing an international professional competition-level control feel right from the start.

Flight with FPV

Experience a Different World

The advanced version of F121 Pro is equipped with a 25mW image transmission system that integrates a camera.

Connected with FPV displays or FPV goggles, flight becomes amazingly easy and intuitive.

The angle of the camera can be adjusted; you can set it up at 15 degrees or 0 degrees, depending on FPV racing with Altitude Hold Mode or Manual Mode.

Gensace Battery, 6–8 Minutes of Flight Time

Equipped with a Gensace battery, a well-known and trusted brand in the UAV industry, which uses high-quality battery cells to deliver strong power and reliable endurance. The battery features excellent heat dissipation, is resistant to swelling, and offers a long cycle life, ensuring continuous and powerful performance.

The battery connection utilizes a PH2.0 connector, ensuring a secure and stable connection that is difficult to loosen or disconnect.

Noise Reduction by Software Extends the Service Life

The noise reduction technology by software not only enables the motors of F121 Pro to work without noise during the flight but also makes them more responsive and efficient than traditional 8520 coreless motors, which ensures a longer life span.

GEMFAN Propeller

The propeller from GEMFAN takes full advantage of aerodynamics and repeatedly tested and modified. The propeller has designed based on its weight and the effects of thickness distribution on rotary inertia that make the propeller rotary balanced with small vibration and stable flight at Rate Mode.

All-Round Propeller Protection with Patented Design, Easier Installation and Removal

Featuring a patented rectangular semi-enclosed / fully enclosed clip-on propeller guard design, with a dual-sided, double-layer locking structure that reduces wear and tear on the propeller guards caused by repeated installation and removal over time.

The three-pillar support structure provides comprehensive protection for the propellers, preventing impact damage and protecting pilots from accidental contact with the spinning blades. Additionally, the propeller guards are directly mounted to the carbon fiber frame, eliminating the risk of motor misalignment or damage to the motor wires caused by crashes, which could otherwise affect flight performance.

Semi-Enclosed Propeller Guard Version

(Standard configuration for the F121 Pro FPV transmission kit)

Fully Enclosed Propeller Guard Version

(Standard configuration for the F121 Pro Third-Person Ready-to-Fly kit; also available for purchase from the official RadioLink store)

USB LiPo Battery Charger

Easy Energy Supply

The brand new designed LiPo battery charger CM120, especially for 1S LiPo battery, possesses the high precision as other professional chargers from RadioLink, guaranteeing safer charging and longer lifespan. 1S battery charged by CM120 ensures a flight time of six to eight minutes.

PID Self-Adaptive Control Makes Training Easy

The F121 Pro supports automatic nose alignment and performs PID self-adaptation in real time during flight based on actual conditions. It intelligently corrects attitude and precisely finds the optimal flight state, delivering simple, easy, and precise control.

Entertaining and Educational

Always Well Engaged

The whole mini drone can be easily disassembled or assembled with the DIY ability and aircraft knowledge of RC fans well-exercised and learned. Drone beginners will enjoy the fun of flight and even the more advanced parameter setup.

The “Eneopterinae” shell of F121 Pro is full of childhood, a great gift for your son or daughter.

LED for Night Flight

F121 Pro support the LED (green and blue) for night flight, it is easy to recognize the direction even flight at midnight.

Spare Voltage Output Port for Timer

A spare voltage output port can be used for timer or LED, the voltage is same as the current voltage of F121 Pro battery.

*The timer is not a standard accessory.

* The flight data of the F121 Pro was tested in a good flight environment; the actual control is related to the flight conditions.

* If you encounter problems while using F121 Pro, you can check the instructions, usage tutorials, or FAQs on the navigation bar of this introduction, or contact us by sending an email to after_service@radiolink.com.cn

* For purchases can contact sales@radiolink.com.cn

Competition Highlights

Eneopterinae F121 Pro Advanced Version(FPV RTF) Packing List

(For the actual packing list, please refer to the sales page of the F121 Pro that you purchase,

or confirm it with the shop sales first.)

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