COFDM Linear Power Amplifier for Wireless Video Transmission

The COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. Şunun için optimize edilmiştir: COFDM / OFDM modulation signals, ensuring low distortion, high linearity, and stable long-range transmission performance.

This amplifier is widely used in UAV video links, drone systems, vehicle-mounted transmission, gözetim sistemleri, and industrial wireless communication systems.

We support full OEM / ODM customization, including frequency band, çıkış gücü, interface type, and mechanical design.


Ana Özellikler

  • High linearity design optimized for COFDM / OFDM signals
  • Wide frequency range: 300 MHz'den 5.8 GHz (özelleştirilebilir)
  • Output power up to 100W (depends on model)
  • Low distortion RF amplification for stable video transmission
  • Built-in protection: overheat, VSWR, and over-current protection
  • Industrial-grade reliability for harsh environments
  • OEM / ODM customization available
  • Compact and integration-friendly design

Frequency Options

Available frequency bands:

  • 300–320 MHz
  • 350–390 MHz
  • 400–470 MHz (most popular)
  • 500–600 MHz
  • 600–700 MHz
  • 800–900 MHz
  • 1.2 GHz
  • 1.3 GHz
  • 2.4 GHz
  • 5.8 GHz

Custom frequency bands are available upon request for OEM projects.

KategoriSeçenekAvailable Range / ChoicesNotlar
Frekans BandıÇalışma Frekansı300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800–900 MHz / 1.2 GHz / 1.3 GHz / 2.4 GHz / 5.8 GHzCustom frequency available
Bandwidth TypeNarrowband / Wideband / Custom bandDepends on system design
RF Çıkış GücüPower Level1W / 2W / 5W / 10W / 20W / 40W / 50W / 100WHigher power requires enhanced cooling
Power Stability±0.5 dB / ±1 dBOEM adjustable
Signal Type OptimizationLinearity ModeStandart / High Linearity / Ultra LinearOptimized for COFDM/OFDM
DPD Supportİsteğe bağlı / Available in high-end modelsDigital Pre-Distortion
RF ArayüzüGiriş / Output ConnectorSMA / N-Type / TNC / MCX / MMCXVarsayılan: SMA
Empedans50Ω standardIndustry standard
Kontrol ArayüzüPower ControlTTL ON/OFF / UART / GPIO / I2C (gelenek)Remote control optional
Power AdjustmentSabit / Ayarlanabilir / Remote tuningOEM firmware option
Güç KaynağıGiriş GerilimiDC 5V / 9–12V / 12–24V / 24–28V / 9–36V wide inputDepends on power level
KorumaReverse polarity / Over-voltageStandard built-in protection
Cooling SystemSoğutma YöntemiPassive heatsink / Active fan / Industrial enclosure / Waterproof coolingDepends on power
Thermal DesignStandart / Enhanced / Military-gradeFor high-power models
Mechanical DesignMuhafaza TipiPCB only / Aluminum case / Shielded metal box / Ruggedized housingOEM özelleştirilebilir
BoyutStandart / Kompakt / Ultra kompaktUAV version available
Weight OptimizationStandart / Lightweight UAV versionİsteğe bağlı
Protection FunctionsRF ProtectionVSWR protection / Overheat protection / Over-current protectionStandard in all models
İzlemeRSSI / Power detection / Temperature monitoringOptional telemetry
Sistem EntegrasyonuCompatible SystemsCOFDM vericisi / SDR systems / IP encoder / HDMI / CVBS systemsMulti-system support
Installation TypeİHA / Araç / Fixed station / TaşınabilirApplication-based design
Environmental SpecsÇalışma Sıcaklığı-20°C ila +70°C / Industrial -40°C optionalDepends on design
Waterproof RatingHiçbiri / IP54 / IP65 / IP67Optional rugged version
OEM/ODM ServicesBrandingLogo baskısı / Label / Custom enclosureFull OEM support
FirmwareCustom control firmware / protocol adaptationMevcut
RF DesignCustom frequency plan / gain structureEngineering required
ProductionPrototype / Small batch / Seri üretimMOQ supported

Output Power Options

Choose the appropriate power level based on transmission distance requirements:

  • 1W
  • 2W
  • 5W
  • 10W
  • 20W
  • 40W
  • 50W
  • 100W (requires enhanced thermal design)

Higher power models include reinforced heat dissipation and protection circuits for continuous operation.


Technical Advantages

1. Optimized for COFDM Systems

Unlike standard RF amplifiers, this module is specifically designed for COFDM modulation, ensuring minimal signal distortion and improved BER performance.

2. High Linearity Performance

Maintains signal integrity even under high power operation, making it ideal for high-quality video transmission.

3. Stable Long-Range Transmission

Supports stable RF output for long-distance wireless video links in complex environments.

4. Endüstriyel Güvenilirlik

İHA için tasarlandı, araç, and field deployment with strong anti-interference capability.


Interface Options

RF Girişi / Çıkış

  • SMA (varsayılan)
  • N-Type
  • TNC
  • MMCX / MCX (kompakt tasarım)

Kontrol Arayüzü

  • TTL power control
  • UART serial control
  • GPIO trigger
  • Custom digital control interface (OEM available)

Güç Kaynağı Seçenekleri

  • DC 5V
  • DC 9–12V
  • DC 12–24V (standard industrial version)
  • DC 24–28V (high power models)
  • Geniş voltaj girişi (9–36V optional)

Cooling Options

  • Passive heatsink cooling (low power models)
  • Aluminum heatsink design
  • Active fan cooling system
  • Industrial-grade metal enclosure with thermal pad
  • Waterproof cooling structure (IP65/IP67 optional)

Uygulamalar

This COFDM power amplifier is widely used in:

  • İHA / Drone video transmission systems
  • Wireless surveillance systems
  • Vehicle-mounted video links
  • Military and security communication systems
  • Industrial wireless data transmission
  • Long-range COFDM video links

OEM / ODM Customization Services

We support full customization for professional RF integration projects:

  • Custom frequency design
  • Custom output power levels
  • PCB size and structure customization
  • OEM branding (logo, label, muhafaza)
  • Integration with COFDM transmitters
  • Custom firmware and control logic
  • Private RF system development

Kalite & Güvenilirlik

All modules are manufactured with industrial-grade components and tested under strict RF performance standards to ensure:

  • Stable long-term operation
  • Low signal distortion
  • High thermal reliability
  • Güçlü anti-parazit özelliği

Why Choose Our COFDM Power Amplifier?

  • Specialized design for COFDM video systems
  • Wide frequency and power customization
  • Proven performance in UAV and industrial applications
  • Strong OEM/ODM engineering support
  • Fast prototyping and mass production capability

SSS

Q1: Is this amplifier compatible with all COFDM systems?

Evet, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.

2. Çeyrek: Can I customize frequency and power?

Evet, both frequency and output power can be fully customized according to your project requirements.

3. Çeyrek: Is it suitable for drone applications?

Evet, lightweight and high-efficiency versions are available specifically for UAV systems.

4. Çeyrek: Do you provide OEM branding?

Evet, we support logo printing, enclosure customization, ve özel etiketleme.


Order Information

For OEM orders or custom specifications, please contact our engineering team with your requirements:

  • Frekans bandı
  • Çıkış gücü
  • Application scenario
  • Quantity requirement

We will provide a tailored RF solution and quotation.

Customer Application Case

We provide customized COFDM linear power amplifier solutions for professional wireless video transmission systems. Below is a typical UAV project example demonstrating real-world performance and integration capability.

20 Watts PA 3800-3900MHz (3850+-50MHz 3.8-3.9GHz)

Custom COFDM Linear Power Amplifier 20WPA 3800-3900MHz
Custom COFDM Linear Power Amplifier 20WPA 3800-3900MHz