Engineering · UAV Radio Communications

COBRA Technology

Modern radio communication solutions for UAVs based on proven components from world-leading manufacturers

RF Technologies

RF Technology and Frequencies

Dual-band architecture and high-power amplifiers — the backbone of a stable link.

RF-01

Dual-Band Operation

System operates simultaneously in 2.4 GHz and 5.8 GHz bands

2.4 GHz — Optimal balance between range and bandwidth
5.8 GHz — High data transfer rate for quality video

RF-02

High-Power Amplifiers

Bidirectional amplifiers ensure range extension on both transmit and receive

Power up to 20 W per channel
Bidirectional signal amplification
Quality band-pass filters for clean signal

Directivity

Antenna Radiation Patterns

High radiation focus with minimal energy loss in both bands.

2.4 GHz bandSymmetric

Field · 2.4 GHz

Electromagnetic field distribution diagram demonstrates high radiation focus with minimal energy loss

Frequency2.44175 ГГц

Antenna Gain19–22 дБі

Radiation Efficiency−0.26 дБ

Patternsymmetric directivity

5.8 GHz bandFocused

Field · 5.8 GHz

3D radiation pattern demonstrates symmetry and high radiation focus in the main direction with minimal energy loss

Frequency5.785 ГГц

Antenna Gain22–22.5 дБі

Radiation Efficiency−0.25 дБ

Patternhigh focus

Resilience

Anti-Jamming

Thanks to high transmitter power and antenna directivity, COBRA systems can operate even under active electronic warfare countermeasures

Countermeasure Methods

High-power amplifiers (up to 20 W)
Directional antennas with high gain
Operation at band edges to avoid jamming
Quality signal filtering

Results

Stable communication even under active suppression
Full UAV control at distance
Communication range preservation
High video transmission quality

Construction

Construction and Reliability

Material

Aluminum Alloy

Durable modular self-supporting construction significantly increases durability and facilitates repair

Protection

IP67 Sealing

Complete protection from weather, dust, dirt and moisture

Architecture

Modularity

Easy component replacement and system upgrades

Deployment

Setup

Active UAV communication amplification system allows ensuring stable and strong communication with drones in demanding combat conditions. Setting up this system ensures fast information transfer from UAV to ground, allowing effective control and receiving important data. The system is made of high-quality anodized aluminum alloy and quality components from leading manufacturers, guaranteeing reliability and stable operation.