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.
विषयसूची
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.
| वर्ग | विकल्प | Available Range / Choices | टिप्पणियाँ |
|---|---|---|---|
| आवृत्ति बैंड | कार्य आवृत्ति | 300–320 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 गीगा | Custom frequency available |
| Bandwidth Type | Narrowband / Wideband / Custom band | Depends on system design | |
| आरएफ आउटपुट पावर | अधिकार का स्तर | 1डब्ल्यू / 2डब्ल्यू / 5डब्ल्यू / 10डब्ल्यू / 20डब्ल्यू / 40डब्ल्यू / 50डब्ल्यू / 100डब्ल्यू | Higher power requires enhanced cooling |
| Power Stability | ±0.5 dB / ±1 dB | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | मानक / High Linearity / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | वैकल्पिक / Available in high-end models | Digital Pre-Distortion | |
| आरएफ इंटरफ़ेस | इनपुट / Output Connector | हाई स्कूल / N-Type / टीएनसी / एमसीएक्स / एमएमसीएक्स | गलती करना: हाई स्कूल |
| मुक़ाबला | 50Ω standard | Industry standard | |
| नियंत्रण इंटरफ़ेस | Power Control | TTL ON/OFF / यूएआरटी / जीपीआईओ / I2C (रिवाज़) | Remote control optional |
| Power Adjustment | तय / एडजस्टेबल / Remote tuning | OEM firmware option | |
| बिजली की आपूर्ति | इनपुट वोल्टेज | डीसी 5वी / 9-12V / 12–24V / 24–28V / 9–36V wide input | Depends on power level |
| सुरक्षा | Reverse polarity / Over-voltage | Standard built-in protection | |
| Cooling System | Cooling Method | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| Thermal Design | मानक / Enhanced / Military-grade | For high-power models | |
| यांत्रिक डिज़ाइन | संलग्नक प्रकार | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | OEM customizable |
| आकार | मानक / सघन / Ultra-compact | UAV version available | |
| Weight Optimization | मानक / Lightweight UAV version | वैकल्पिक | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / Over-current protection | Standard in all models |
| निगरानी | आरएसएसआई / Power detection / Temperature monitoring | Optional telemetry | |
| सिस्टम एकीकरण | Compatible Systems | COFDM ट्रांसमीटर / SDR systems / IP encoder / HDMI / CVBS systems | Multi-system support |
| Installation Type | यूएवी / वाहन / Fixed station / पोर्टेबल | Application-based design | |
| Environmental Specs | संचालन तापमान | -20डिग्री सेल्सियस से +70 डिग्री सेल्सियस / Industrial -40°C optional | Depends on design |
| वाटरप्रूफ रेटिंग | कोई नहीं / आईपी54 / आईपी65 / आईपी67 | Optional rugged version | |
| OEM/ODM Services | ब्रांडिंग | Logo printing / लेबल / Custom enclosure | Full OEM support |
| फर्मवेयर | Custom control firmware / protocol adaptation | उपलब्ध | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| Production | Prototype / Small batch / Mass production | MOQ 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)

