SKY LINK-OS01 Optically Stabilized Repeater Carrier
SKY LINK OS01 is a specialized aerial platform designed to lift and maintain relay equipment at altitude with high stability. Thanks to its integrated optical stabilization system and high-performance antenna arrays, the platform ensures a reliable communication link between the operator and strike drones over long distances, mitigating the impact of complex terrain and physical obstacles.
Technical specifications
Transmit gain
20-25 dB
Receive gain
до 21 dB
Supported frequency bands
0.868–2.5 GHz, 3.3 GHz, 5.3–5.9 GHz
Dimensions
400 × 198 × 124 mm
Noise figure
≤ 3.5 dB (typical)
Weight
1.38 kg
Specifications
Technical parameters
| Name of characteristic | Value |
|---|---|
| Flight platform (carrier) parameters | |
| Frame size and type | 15-inch, reinforced carbon fiber, X-shaped geometry |
| Overall dimensions | 512 mm (wheelbase) / 836 mm (with propellers) |
| Carrier weight | 2.2 kg (without battery and payload) |
| Maximum payload capacity | Up to 7.2 kg (reserve for heavy batteries and equipment) |
| Flight speed | Cruise: 60 km/h; Maximum (no payload): 80 km/h |
| Power system | 4 brushless motors, 2.3 kW each |
| Flight controller | F722 class (SoloGood or compatible) with BetaFlight firmware |
| Power supply | Support for 1×33.6 V (20 Ah) or 2×33.6 V (15 Ah) batteries |
| Relay system characteristics | |
| Stabilization system | Optical gimbal stabilization to maintain antenna vector alignment |
| Control frequencies | Flexible configuration within 433–2600 MHz (ELRS) |
| Video relay frequencies | Supported bands: 1200–5800 MHz (analog) |
| Signal power | Integrated transmitter / amplifier rated at 1–2 W |
| Antenna characteristics | Directional high-gain patch antennas, 21 dBi |
| Coverage range | Provides stable communication within a radius of up to 5 km around the platform |
| Optical system | 1800 TVL camera with light sensitivity of 0.00001 lux (night-capable) |
| Operational and telemetry data | |
| Flight range (radius) | Up to 25 km from the operator |
| Loiter time | Up to 28 minutes on a single charge (depending on battery configuration) |
| Data display (OSD) | Altitude, heading, voltage, current, RSSI, link quality (LQ) |
| Environmental conditions | Temperature: −20 to +40 °C; wind up to 7 m/s; IP30 protection |
Why choose SKY LINK-OS01 Optically Stabilized Repeater Carrier
SKY LINK OS01 serves as an “air bridge” in modern network-centric operations. The primary mission of the platform is to extend the operational range of FPV strike drones and reconnaissance UAVs by relaying control signals and video feeds.
The carrier platform is designed for the following scenarios:
- Over-the-horizon operations: Enables strike groups to operate behind hills, tree lines, and in urban environments where direct radio line-of-sight between the control station and the drone is unavailable.
- High-altitude relay point: Lifting the relay payload to altitudes of 500+ meters significantly increases coverage area and signal stability under active enemy electronic warfare (EW) conditions.
- Persistent loitering: The platform is optimized for stable station-keeping, allowing a continuous communication corridor to be maintained for an entire wave of strike drones.
Key design features and engineering solutions
The SKY LINK OS01 architecture is built around the concept of maximum signal stability. Unlike conventional drones with improvised relay payloads, this platform features a fully integrated engineering design:
- Optical gimbal stabilization: The antenna and camera mounting system automatically compensates for airframe tilt and vibration caused by wind. This ensures that narrow-beam directional antennas (patch antennas) remain precisely oriented toward the strike drone operating area, preventing signal loss.
- Electromagnetic compatibility: Component placement within the frame is engineered so that onboard motors and electronics do not induce interference in the relay’s sensitive receivers.
- Frequency-band modularity: SKY LINK OS01 supports rapid swapping of frequency modules (from 0.868 GHz to 5.9 GHz), allowing the platform to be adapted in the field to specific strike drone models or video link types (analog/digital).
- Energy efficiency: The use of optimized large-diameter propellers and a high-voltage power system (6S) provides the extended flight time required for prolonged missions.
Advantages of the platform compared to other solutions
SKY LINK OS01 outperforms most improvised “Mavic-style relay drones” or stationary masts thanks to its mobility and technical capabilities:
- Dynamic repositioning: Unlike ground-based masts, the platform can rapidly change its airborne position to bypass enemy EW zones or illuminate targets from a different angle.
- High-performance antenna system: The use of high-gain patch antennas (21 dBi) combined with active amplifiers rated at 1–2 W delivers several times greater coverage range than standard solutions.
- Interference resilience: Integrated narrow-band filters suppress external noise, ensuring a “clean” communication channel even in a congested RF environment.




