COFDM Linear Power Amplifier for Wireless Video Transmission

그만큼 COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. It is optimized for 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, 감시 시스템, and industrial wireless communication systems.

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


주요 특징

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

주파수 옵션

Available frequency bands:

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

Custom frequency bands are available upon request for OEM projects.

범주옵션Available Range / Choices메모
주파수 대역작동 빈도300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600MHz / 600–700 MHz / 800–900MHz / 1.2 GHz의 / 1.3 GHz의 / 2.4 GHz의 / 5.8 GHz의Custom frequency available
Bandwidth TypeNarrowband / Wideband / Custom bandDepends on system design
RF 출력 전력전력 수준1W / 2W / 5W / 10W / 20W / 40W / 50W / 100WHigher power requires enhanced cooling
Power Stability±0.5 dB / ±1 dBOEM adjustable
Signal Type OptimizationLinearity Mode기준 / 높은 선형성 / Ultra LinearOptimized for COFDM/OFDM
DPD Support선택 과목 / Available in high-end modelsDigital Pre-Distortion
RF 인터페이스입력 / 출력 커넥터고등학교 / N-Type / 티앤씨 / MCX / MMCX기본: 고등학교
임피던스50Ω standardIndustry standard
제어 인터페이스Power ControlTTL ON/OFF / UART / GPIO / I2C (custom)Remote control optional
Power Adjustment결정된 / 조절할 수 있는 / Remote tuningOEM firmware option
전원공급장치입력 전압DC 5V / 9-12V / 12–24V / 24–28V / 9–36V wide inputDepends on power level
보호Reverse polarity / 과전압Standard built-in protection
Cooling System냉각방식Passive heatsink / Active fan / Industrial enclosure / Waterproof coolingDepends on power
Thermal Design기준 / Enhanced / Military-gradeFor high-power models
Mechanical Design인클로저 유형PCB only / Aluminum case / Shielded metal box / Ruggedized housingOEM customizable
크기기준 / 콤팩트 / 초소형UAV version available
Weight Optimization기준 / Lightweight UAV version선택 과목
Protection FunctionsRF ProtectionVSWR protection / Overheat protection / Over-current protectionStandard in all models
모니터링RSSI / Power detection / Temperature monitoringOptional telemetry
시스템 통합Compatible SystemsCOFDM 송신기 / SDR 시스템 / IP encoder / HDMI / CVBS systemsMulti-system support
Installation TypeUAV / 차량 / Fixed station / 가지고 다닐 수 있는Application-based design
Environmental Specs작동 온도-20°C ~ +70°C / Industrial -40°C optionalDepends on design
방수 등급없음 / IP54 / IP65 / IP67Optional rugged version
OEM/ODM Services브랜딩Logo printing / 상표 / Custom enclosureFull OEM support
펌웨어Custom control firmware / protocol adaptationAvailable
RF DesignCustom frequency plan / gain structureEngineering required
생산Prototype / Small batch / 양산MOQ 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.


기술적 장점

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. 산업 신뢰성

UAV용으로 설계됨, 차량, and field deployment with strong anti-interference capability.


인터페이스 옵션

RF 입력 / 산출

  • 고등학교 (기본)
  • N-Type
  • 티앤씨
  • MMCX / MCX (컴팩트한 디자인)

제어 인터페이스

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

전원 공급 장치 옵션

  • DC 5V
  • DC 9–12V
  • DC 12–24V (standard industrial version)
  • DC 24–28V (high power models)
  • Wide voltage input (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)

응용

This COFDM power amplifier is widely used in:

  • UAV / 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 (심벌 마크, 상표, 울로 둘러싼 땅)
  • Integration with COFDM transmitters
  • Custom firmware and control logic
  • Private RF system development

품질 & 신뢰할 수 있음

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
  • 강력한 간섭 방지 기능

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

자주하는 질문

Q1: Is this amplifier compatible with all COFDM systems?

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

2분기: Can I customize frequency and power?

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

Q3: Is it suitable for drone applications?

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

4분기: Do you provide OEM branding?

예, we support logo printing, enclosure customization, 그리고 프라이빗 라벨링.


Order Information

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

  • 주파수 대역
  • 출력 전력
  • 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