COFDM Wireless Transmitter COFDM-904T Receiver Antenna

Máy phát không dây COFDM

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Tổng quan

các Máy phát không dây COFDM là cấp độ chuyên nghiệp, high-performance video transmission solution được thiết kế cho aerial, di động, and remote video applications. Sử dụng Ghép kênh phân chia tần số trực giao được mã hóa (COFDM) công nghệ, this system ensures khỏe mạnh, truyền video HD thời gian thực with minimal latency and strong resistance to interference caused by multipath propagation, chướng ngại vật, hoặc chuyển động tốc độ cao.

Với HDMI, SDI, and CVBS input compatibility, the transmitter supports a wide range of video sources, including action cameras, professional cameras, máy bay không người lái, and mobile recording systems. The COFDM Wireless Transmitter is engineered for long-distance line-of-sight (LOS) quá trình lây truyền while maintaining high-quality video clarity and stable frame rates even in không có tầm nhìn (NLOS) môi trường. Its compact and lightweight design makes it ideal for UAV, máy bay không người lái, security vehicles, mobile news collection units, and field monitoring equipment.

Designed with advanced H.264 and MPEG-2 video compression, this transmitter guarantees trơn tru, hình ảnh sắc nét with natural colors, stable brightness, and minimal motion artifacts. The system is suitable for applications that demand real-time transmission with low latency, such as drone reconnaissance, phản ứng khẩn cấp, phát sóng trực tiếp, and mobile surveillance.

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Các tính năng chính

1. High-Definition Video Transmission
   • Supports HDMI, SDI, and composite CVBS video input.
   • High-resolution video up to 1080P, backward compatible with 720P and 480P sources.
   • H.264/MPEG-2 compression ensures high-quality image transmission while minimizing bandwidth usage.
2. Advanced COFDM Modulation Technology
   • Employs QPSK, 16QAM, or 64QAM modulation for each subcarrier.
   • Excellent resistance to multipath fading, Doppler effects, and electromagnetic interference.
   • cung cấp reliable NLOS transmission, suitable for urban, forested, and complex environments.
3. Low Latency and Real-Time Transmission
   • System delay typically under 500bệnh đa xơ cứng, ideal for UAV control, live monitoring, and professional video broadcasting.
   • Smooth motion rendering and stable frame rates prevent mosaic or drag effects in video transmission.
4. Flexible RF Output and Frequency
   • Default RF output: 1W (higher outputs available up to 5W or customized per project requirements).
   • Tần số hoạt động: 300 MHz đến 5.8 GHz, customizable for regional regulations and project needs.
   • Channel bandwidth options: 2 MHz, 4 MHz, 6 MHz, 7 MHz, 8 MHz, adjustable per user requirements.
5. Nhỏ gọn, Chắc chắn, and Lightweight Design
   • Kích thước: typical TX size ~100 × 43 × 10 mm; weight ~0.2 kg.
   • Shock-resistant, vibration-proof, and suitable for high-speed UAVs or mobile platforms.
   • Easy to integrate into aerial, gắn trên xe, or portable video systems.
6. Multiple Receiver Compatibility
   • Works seamlessly with COFDM receivers via USB, HDMI, or Wi-Fi interfaces.
   • Can simultaneously support multiple receivers for monitoring on mobile devices, máy tính bảng, hoặc màn hình di động.
7. Mã hóa & Bảo vệ
   • AES128/AES256 optional encryption ensures secure and private video transmission.
   • Configurable password-protected channels to prevent unauthorized access.
8. Ultra-Low Power Consumption
   • TX power consumption: 5–7.5 W depending on output level.
   • Supports DC power input from 5V to 36V, making it ideal for UAV, phương tiện giao thông, and battery-powered applications.

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Thông số kỹ thuật

tham số	Đặc điểm kỹ thuật
Loại điều chế	COFDM (QPSK, 16QAM, 64QAM)
Nén video	H.264 / MPEG-2
Đầu vào video	HDMI, HD-SDI, CVBS
Công suất đầu ra RF	1W (mặc định), up to 5W (không bắt buộc)
Dải tần số	300 MHz – 5.8 GHz (tùy chỉnh)
Băng thông	2 / 4 / 6 / 7 / 8 MHz
Độ trễ hệ thống	<500 bệnh đa xơ cứng
Khoảng cách truyền	LOS: >15 km; NLOS: 0.6–2km (depending on environment)
Tỷ lệ lỗi bit	10^-6
Độ phân giải hình ảnh	1080P / 60 khung hình/giây; tương thích ngược 720P/480P
Mã hóa	AES128 / AES256 (không bắt buộc)
Kích thước	100 × 43 × 10 mm
Cân nặng	0.2 kg
Nguồn điện	DC 5–36V

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Ứng dụng

1. máy bay không người lái / Truyền video không người lái
   • Real-time HD video downlink for aerial filming, giám sát, điều tra, lập bản đồ, and search & rescue operations.
   • Supports multiple UAV types including micro and professional drones.
2. Broadcast and Media Production
   • Ideal for live news coverage, sự kiện thể thao, or film production where wireless HD video transmission is required.
3. Mobile Surveillance & Bảo vệ
   • Vehicle-mounted video transmission for police, phản ứng khẩn cấp, or security monitoring.
   • NLOS capability enables stable reception in urban or obstructed environments.
4. Giám sát công nghiệp & Nghiên cứu
   • Remote video monitoring for pipelines, công trường xây dựng, wildlife observation, and environmental studies.
5. Emergency and Disaster Relief
   • Supports rapid deployment for real-time video transmission in disaster zones or emergency sites.

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Tính năng tùy chọn

• Extended RF Output Power: Up to 5W for longer-range transmission.
• Directional or Omni-Directional Antennas: For extended reception or flexible deployment.
• Frequency Down Converters: For operation beyond standard COFDM frequency bands.
• Waterproof and Ruggedized Housing: For extreme outdoor environments.
• Hỗ trợ nhiều máy thu: Stream video to multiple devices simultaneously.
• Custom OEM/ODM Solutions: Tailored for specialized UAVs, máy ảnh, or professional broadcasting setups.

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các Máy phát không dây COFDM là một đáng tin cậy, high-performance solution for long-distance, truyền video độ nét cao, offering low latency, strong NLOS capability, and compatibility with a wide range of receivers. Its compact and rugged design ensures seamless integration into UAVs, xe cộ, or mobile monitoring setups, making it an ideal choice for professional video applications, giám sát, phát sóng, và giám sát công nghiệp.