COFDM Linear Power Amplifier for Wireless Video Transmission
В COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. Он оптимизирован для 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, системы наблюдения, and industrial wireless communication systems.
We support full OEM / ODM customization, включая полосу частот, выходная мощность, interface type, and mechanical design.
Оглавление
Ключевая особенность
- High linearity design optimized for COFDM / OFDM signals
- Wide frequency range: 300 МГц до 5.8 ГГц (настраиваемый)
- Output power up to 100W (depends on model)
- Low distortion RF amplification for stable video transmission
- Built-in protection: overheat, КСВН, and over-current protection
- Industrial-grade reliability for harsh environments
- OEM / Доступна настройка ODM
- 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 МГц
- 1.2 ГГц
- 1.3 ГГц
- 2.4 ГГц
- 5.8 ГГц
Custom frequency bands are available upon request for OEM projects.
| категория | Вариант | Available Range / Choices | Примечания |
|---|---|---|---|
| Частотный диапазон | Рабочая частота | 300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800–900 МГц / 1.2 ГГц / 1.3 ГГц / 2.4 ГГц / 5.8 ГГц | Custom frequency available |
| Bandwidth Type | Narrowband / Wideband / Custom band | Depends on system design | |
| Выходная мощность РЧ | Уровень мощности | 1W / 2W / 5W / 10W / 20W / 40W / 50W / 100W | Higher power requires enhanced cooling |
| Power Stability | ±0,5 дБ / ±1 дБ | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | Стандартный / Высокая линейность / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | Необязательный / Available in high-end models | Digital Pre-Distortion | |
| Радиочастотный интерфейс | Вход / Output Connector | СМА / N-Type / TNC / МСХ / ММСХ | По умолчанию: СМА |
| Импеданс | 50Ω standard | Industry standard | |
| Интерфейс управления | Power Control | TTL ON/OFF / УАРТ / GPIO / I2C (обычай) | Remote control optional |
| Power Adjustment | Зафиксированный / Регулируемый / Remote tuning | OEM firmware option | |
| Источник питания | Входное напряжение | 5 В постоянного тока / 9–12V / 12–24 В / 24-28В / 9–36V wide input | Depends on power level |
| Защита | Reverse polarity / Перенапряжение | Standard built-in protection | |
| Cooling System | Метод охлаждения | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| Thermal Design | Стандартный / Enhanced / Military-grade | For high-power models | |
| Механический дизайн | Тип корпуса | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | OEM customizable |
| Размер | Стандартный / Компактный / Ультракомпактный | UAV version available | |
| Weight Optimization | Стандартный / Lightweight UAV version | Необязательный | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / Over-current protection | Standard in all models |
| Мониторинг | РССИ / Power detection / Temperature monitoring | Optional telemetry | |
| Системная интеграция | Compatible Systems | передатчик COFDM / SDR systems / IP encoder / HDMI / CVBS systems | Multi-system support |
| Installation Type | БПЛА / Транспортное средство / Fixed station / Портативный | Application-based design | |
| Environmental Specs | Рабочая температура | -20°С до +70°С / Industrial -40°C optional | Depends on design |
| Рейтинг водонепроницаемости | Никто / IP54 / IP65 / IP67 | Optional rugged version | |
| OEM/ODM-услуги | Брендинг | Печать логотипа / Label / Custom enclosure | Full OEM support |
| Прошивка | Custom control firmware / protocol adaptation | Available | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| Production | Prototype / Small batch / Массовое производство | MOQ 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.
Технические преимущества
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. Промышленная надежность
Разработан для БПЛА, транспортное средство, and field deployment with strong anti-interference capability.
Опции интерфейса
Радиочастотный вход / Выход
- СМА (по умолчанию)
- N-Type
- TNC
- ММСХ / МСХ (компактный дизайн)
Интерфейс управления
- TTL power control
- UART serial control
- GPIO trigger
- Custom digital control interface (OEM available)
Варианты электропитания
- 5 В постоянного тока
- DC 9–12V
- 12–24 В постоянного тока (standard industrial version)
- DC 24–28V (high power models)
- Широкий вход напряжения (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)
Приложения
This COFDM power amplifier is widely used in:
- БПЛА / 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 (логотип, этикетка, ограждение)
- Integration with COFDM transmitters
- Custom firmware and control logic
- Private RF system development
Качество & Надежность
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
- Сильная защита от помех
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
Вопросы-Ответы
1 квартал: Is this amplifier compatible with all COFDM systems?
да, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.
Q2: Can I customize frequency and power?
да, both frequency and output power can be fully customized according to your project requirements.
Q3: Is it suitable for drone applications?
да, lightweight and high-efficiency versions are available specifically for UAV systems.
Q4: Do you provide OEM branding?
да, we support logo printing, настройка корпуса, and private labeling.
Order Information
For OEM orders or custom specifications, please contact our engineering team with your requirements:
- Диапазон частот
- Выходная мощность
- 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)
