L S band 100Mbps 200km 2x20WPA drone video data transceiver

Here is a client’s demand for L S band 100Mbps 200km 2x20WPA drone video data transceiver.

Requirment:

L and S band
2x20w PA
2 input LAN (RJ45)
1 RS232 input (two-way)
Airborne design
Datarate: 100 Mbps
Max Range: 200km

drone has 8pc IP-Cameras Video + data Type with UDP protocol.

This information is all entered into one network switch.

If we want to get this information inside the Ground control station, which is 150 km away, what would you suggest?

Drone Transmitter Side:

  1. IP Camera (2M pixel)
  2. IP Camera (2M pixel)
  3. IP Camera (2M pixel)
  4. IP Camera (2M pixel)
  5. IP Camera (2M pixel)
  6. IP Camera (2M pixel)
  7. IP Camera (2M pixel)
  8. IP Camera (2M pixel)
  9. UDP Data (10KB)
  10. UDP Data = 4Mbps
  11. Network switch
  12. Range: 100~150km

GCS Side: Ground Control Station

  • 2 Hdmi Monitor for Video
  • 1 Computer For Data
  • We want to connect to Aviation ip cameras.
  • And also PING all aviation Ip address

Currently, the one that can basically meet customer needs is Vcan1806-100Mbps-2x10WPA.

FAQ

Q1: Whether a directional antenna is required for optimal signal reception. or omni antenna?

A1: It is better to use one fiberglass omnidirectional antenna and one flat panel directional antenna.

Drone Video Transmitter and Receiver 100Mbps high-speed data rate long-range 100-150km 2x10W PA
Drone Video Transmitter and Receiver 100Mbps high-speed data rate long-range 100-150km 2x10W PA

1. Frequency Band Requirements

  • L-band & S-band Support
    • Dual-band operation is required, likely for satellite communications, radar, or airborne datalinks.
    • Clarify specific frequency ranges (e.g., L-band: 1–2 GHz, S-band: 2–4 GHz) and ensure coexistence mechanisms (e.g., filters/duplexers) to prevent inter-band interference.

2. Power Amplifier (PA) Specifications

  • 2×20W RF Output
    • Dual-channel architecture with independent 20W amplification per channel, enabling redundancy or simultaneous dual-band transmission.
    • Critical considerations: Thermal management (for airborne environments), PA efficiency optimization (e.g., GaN technology), and EMI/EMC compliance.

3. Interface Configuration

  • Network Interfaces
    • 2× RJ45 ports: Support 100 Mbps Ethernet throughput; verify protocol compatibility (e.g., TCP/IP, VLAN tagging if needed).
  • Serial Communication
    • 1× bidirectional RS232 port: Ensure full-duplex operation for control commands or low-rate data transmission.

4. Performance Metrics

  • Data Rate: 100 Mbps
    • Requires high-efficiency modulation (e.g., 256-QAM, OFDM) and sufficient RF channel bandwidth.
  • Max Range: 200 km
    • Perform detailed link budget analysis: Account for Tx power (20W PA), antenna gain, receiver sensitivity, free-space path loss, and atmospheric/terrain attenuation (critical for L/S-band over 200 km).

5. Airborne Design Constraints

  • Environmental Compliance
    • Meet DO-160 standards for vibration, shock, temperature (-40°C to +70°C), and EMI/EMC.
  • Physical Integration
    • Compact, lightweight design compliant with aviation form factors (e.g., ARINC 600). Prioritize heat dissipation and power efficiency.

6. Key Challenges & Open Questions

  • Application Context
    • Clarify use case (military, commercial UAV, or manned aircraft). Are encryption or anti-jamming capabilities required?
  • Certification
    • Confirm regulatory needs: FAA/EASA certifications (e.g., DO-254/178C) or military standards (e.g., MIL-STD-810).
  • Integration
    • Define interface compatibility (e.g., ARINC 429, MIL-STD-1553) with existing avionics systems.
  • Antenna Design
    • Specify antenna type (directional vs. omnidirectional) and mounting constraints.

Technical Recommendations

  1. RF Link Optimization
    • Use adaptive modulation (AMC) and forward error correction (FEC) to balance data rate and range.
  2. Thermal Management
    • Implement GaN-based PAs for high efficiency and integrate active cooling (e.g., liquid cooling or forced airflow).
  3. Redundancy & Reliability
    • Design dual-channel redundancy for mission-critical airborne operations.
  4. Prototyping & Testing
    • Conduct field trials to validate 200 km range under real-world conditions (e.g., altitude, interference).

Summary

The customer requires a dual-band, high-power airborne communication system optimized for long-range (200 km), high-speed (100 Mbps) data transmission. Success hinges on balancing thermal performance, weight, and RF efficiency while meeting stringent aviation standards. A phased approach—starting with detailed link budget modeling and prototype testing—is recommended to mitigate risks.

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