Product overview
The Radiolink F108 combines indoor position holding with manual FPV flying in a compact aircraft with a 110mm wheelbase and a standard takeoff weight of 165g. Its carbon-fiber frame carries full-coverage propeller guards, a reverse propeller arrangement and a dedicated battery compartment. Propulsion uses SZ-SPEED 1303-10000KV brushless motors and GEMFAN 2.5-inch (2520) propellers. The ArduBeta_aio flight controller integrates a 4-in-1 ESC and OSD, while an Upixels optical-flow and laser module supplies sensing for indoor position holding. An external Type-C port provides parameter access without disassembly.
PosHold, Alt-Hold, Stabilize, Manual and Turtle modes cover assisted flight, manual control and recovery from an upside-down landing. Inertial guidance provides short-term position holding when optical-flow information becomes unavailable, with braking when the joystick is released during high-speed flight. The Gensace 2S 850mAh 35C XT30 LiPo battery supports a stated flight time of up to seven minutes; flight conditions affect operation. Below 6.8V, the controller flashes its red light rapidly and the aircraft gradually descends. Standard aircraft weight can vary with batch materials and external factors.
Procurement options include analog FPV RTF packages with either EWRF Tech 3-inch goggles or a Hawkeye 4.3-inch monitor, together with a T8S transmitter, battery and CM210 charger. These versions integrate EWRF 600mW analog transmission and a Caddx camera. The PNP package supplies an aircraft and battery rather than an airframe-only kit, but excludes that integrated analog transmitter and camera; its packing list also omits the transmitter, display and charger. DJI O3/O4 and Caddx digital video systems are supported, with DJI O4 camera mounting and cable listed among the package accessories.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer, model and purpose | Radiolink F108 optical-flow position-holding FPV racing drone. |
| Takeoff weight | 165g.Standard aircraft; actual weight may vary with batch materials and external factors. |
| Wheelbase | 110mm. |
| Frame and protective architecture | Carbon-fiber frame, dedicated battery compartment and full-coverage propeller guards. |
| Propeller arrangement and finish | Reverse propeller design. |
| Integrated flight controller | Radiolink ArduBeta_aio all-in-one flight controller with integrated 4-in-1 ESC and OSD. |
| Inertial position holding and braking | Inertial guidance provides short-term position holding without optical-flow information and braking when the joystick is released during high-speed flight.Optical-flow information unavailable; position holding is short-term. |
| Position and altitude sensing | Upixels optical-flow and laser two-in-one module with Kalman fusion for indoor position holding and altitude determination.Optical-flow PosHold mode. |
| Flight modes | PosHold, Alt-Hold, Stabilize, Manual and Turtle modes.Additional modes can be configured in Mission Planner. |
| Self-righting | Turtle Mode flips the aircraft back into its takeoff orientation.Aircraft upside down with Turtle Mode enabled. |
| Motors | SZ-SPEED 1303-10000KV brushless motors. |
| Propellers | GEMFAN 2.5-inch (2520) propellers. |
| Battery | Gensace 2S 850mAh 35C XT30 LiPo battery. |
| Flight time | Up to 7 minutes.Gensace 2S 850mAh 35C XT30 LiPo battery; flight data obtained in a good flight environment, with actual control dependent on flight conditions. |
| Low-voltage response | Rapidly flashing red flight-controller light and gradual aircraft descent.Voltage below 6.8V. |
| Camera | Caddx Sable; 1200 TVL horizontal resolution; FOV 130° (4:3) / 165° (16:9); viewing-angle parameter stated as 2.1mm.Analog video transmission version. |
| Camera mounting adjustment | Camera slot permits 45-degree rotation. |
| Digital video integration | Supports DJI O3/O4 and Caddx high-definition digital image transmission systems. |
| Analog video transmitter | EWRF 5.8G image transmission; RTF configurations specify 600mW analog video transmission.Analog FPV RTF versions. |
| Receiver | Radiolink R16SM micro receiver; 1.5g; 16 channels; FHSS with 67-channel pseudo-random frequency hopping; range 2000 meters (1.24 miles).R16SM receiver configuration. |
| Receiver protocol compatibility | ELRS, CRSF, SBUS and PPM receiver compatibility. |
| Transmitter and control distance | T8S(BT) 8-channel transmitter; phone or computer app parameter adjustment; Noble potentiometer; joystick control accuracy 0.25 microseconds; airborne control distance 2000 meters (1.24 miles).RTF version; control distance specified in the air. |
| Battery charger | CM210 1.5A 2S LiPo charger with Type-C input; described as a 20-minute fast charger; accepts power from computer USB, power bank, mobile-phone adapter or car charger.2S LiPo charging. |
| Parameter-access port | External Type-C port allows parameter adjustment without aircraft disassembly. |
| Shell and finish | Black TPE fine frosted finish. |
| Shell colors | Standard gray shell; pink, orange and black customization options.Gray supplied as standard. |
| Goggles RTF package | One F108, T8S transmitter, EWRF Tech 3-inch FPV goggles, Gensace 2S 850mAh battery, CM210 balance charger, four GEMFAN 2.5-inch (2520) propellers, upgrade Type-C cable, DJI O4 camera mounting, 1.5mm hex wrench, 2.0mm screwdriver and packing bag; DJI O4 cable also listed.FPV RTF analog version with goggles. |
| Monitor RTF package | One F108, T8S transmitter, Hawkeye 4.3-inch FPV monitor, Gensace 2S 850mAh battery, CM210 balance charger, four GEMFAN 2.5-inch (2520) propellers, upgrade Type-C cable, DJI O4 camera mounting, 1.5mm hex wrench, 2.0mm screwdriver and packing bag; DJI O4 cable also listed.FPV RTF analog version with FPV monitor. |
| PNP video equipment exclusion | Supplied without integrated EWRF 600mW analog video transmission and CADDX camera.PNP version. |
| PNP package | One F108, Gensace 2S 850mAh battery, four GEMFAN 2.5-inch (2520) propellers, upgrade Type-C cable, DJI O4 camera mounting, 1.5mm hex wrench, 2.0mm screwdriver and packing box; DJI O4 cable also listed.PNP version. |
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