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. इसके लिए इसे अनुकूलित किया गया है 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, निगरानी प्रणाली, and industrial wireless communication systems.

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


प्रमुख विशेषताऐं

  • High linearity design optimized for COFDM / OFDM signals
  • Wide frequency range: 300 मेगाहर्ट्ज से 5.8 गीगा (अनुकूलन)
  • Output power up to 100W (depends on model)
  • Low distortion RF amplification for stable video transmission
  • Built-in protection: overheat, वीएसडब्ल्यूआर, and over-current protection
  • Industrial-grade reliability for harsh environments
  • OEM / ODM अनुकूलन उपलब्ध है
  • Compact and integration-friendly design

Frequency Options

Available frequency bands:

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

Custom frequency bands are available upon request for OEM projects.

वर्गविकल्पAvailable Range / Choicesटिप्पणियाँ
आवृत्ति बैंडकार्य आवृत्ति300–320 MHz / 350-390 मेगाहर्ट्ज / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800-900 मेगाहर्ट्ज / 1.2 गीगा / 1.3 गीगा / 2.4 गीगा / 5.8 गीगाCustom frequency available
Bandwidth TypeNarrowband / Wideband / Custom bandDepends on system design
आरएफ आउटपुट पावरअधिकार का स्तर1डब्ल्यू / 2डब्ल्यू / 5डब्ल्यू / 10डब्ल्यू / 20डब्ल्यू / 40डब्ल्यू / 50डब्ल्यू / 100डब्ल्यूHigher power requires enhanced cooling
Power Stability±0.5 dB / ±1 dBOEM adjustable
Signal Type OptimizationLinearity Modeमानक / High Linearity / Ultra LinearOptimized for COFDM/OFDM
DPD Supportवैकल्पिक / Available in high-end modelsDigital Pre-Distortion
आरएफ इंटरफ़ेसइनपुट / Output Connectorहाई स्कूल / N-Type / टीएनसी / एमसीएक्स / एमएमसीएक्सगलती करना: हाई स्कूल
मुक़ाबला50Ω standardIndustry standard
नियंत्रण इंटरफ़ेसPower ControlTTL ON/OFF / यूएआरटी / जीपीआईओ / I2C (रिवाज़)Remote control optional
Power Adjustmentतय / एडजस्टेबल / Remote tuningOEM firmware option
बिजली की आपूर्तिइनपुट वोल्टेजडीसी 5वी / 9-12V / 12–24V / 24–28V / 9–36V wide inputDepends on power level
सुरक्षाReverse polarity / Over-voltageStandard built-in protection
Cooling SystemCooling MethodPassive heatsink / Active fan / Industrial enclosure / Waterproof coolingDepends on power
Thermal Designमानक / Enhanced / Military-gradeFor high-power models
यांत्रिक डिज़ाइनसंलग्नक प्रकारPCB only / Aluminum case / Shielded metal box / Ruggedized housingOEM customizable
आकारमानक / सघन / Ultra-compactUAV version available
Weight Optimizationमानक / Lightweight UAV versionवैकल्पिक
Protection FunctionsRF ProtectionVSWR protection / Overheat protection / Over-current protectionStandard in all models
निगरानीआरएसएसआई / Power detection / Temperature monitoringOptional telemetry
सिस्टम एकीकरणCompatible SystemsCOFDM ट्रांसमीटर / SDR systems / IP encoder / HDMI / CVBS systemsMulti-system support
Installation Typeयूएवी / वाहन / Fixed station / पोर्टेबलApplication-based design
Environmental Specsसंचालन तापमान-20डिग्री सेल्सियस से +70 डिग्री सेल्सियस / Industrial -40°C optionalDepends on design
वाटरप्रूफ रेटिंगकोई नहीं / आईपी54 / आईपी65 / आईपी67Optional rugged version
OEM/ODM Servicesब्रांडिंगLogo printing / लेबल / Custom enclosureFull OEM support
फर्मवेयरCustom control firmware / protocol adaptationउपलब्ध
RF DesignCustom frequency plan / gain structureEngineering required
ProductionPrototype / Small batch / Mass productionMOQ supported

Output Power Options

Choose the appropriate power level based on transmission distance requirements:

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

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


तकनीकी लाभ

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. औद्योगिक विश्वसनीयता

Designed for UAV, वाहन, and field deployment with strong anti-interference capability.


Interface Options

आरएफ इनपुट / उत्पादन

  • हाई स्कूल (गलती करना)
  • N-Type
  • टीएनसी
  • एमएमसीएक्स / एमसीएक्स (संक्षिप्त परिरूप)

नियंत्रण इंटरफ़ेस

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

बिजली आपूर्ति विकल्प

  • डीसी 5वी
  • DC 9–12V
  • डीसी 12-24वी (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)

अनुप्रयोगों

This COFDM power amplifier is widely used in:

  • यूएवी / 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, लेबल, दीवार)
  • Integration with COFDM transmitters
  • Custom firmware and control logic
  • Private RF system development

Quality & विश्वसनीयता

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
  • Strong anti-interference capability

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

सामान्य प्रश्न

Q1: Is this amplifier compatible with all COFDM systems?

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

Q2: Can I customize frequency and power?

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

Q3: Is it suitable for drone applications?

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

Q4: Do you provide OEM branding?

हाँ, we support logo printing, enclosure customization, और निजी लेबलिंग.


Order Information

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

  • आवृत्ति बैंड
  • बिजली उत्पादन
  • 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