Решение COFDM для видеонаблюдения для беспроводной передачи видео

In the field of surveillance and security, надежный беспроводная передача видео is essential. Traditional Wi-Fi or analog links often fail in дальнобойный или вне прямой видимости (NLOS) окружающая среда. This is where COFDM surveillance solutions stand out, предоставление стабильный, зашифрованный, and low-latency video transmission over challenging terrains.

Недавно, many customers have shown interest in implementing COFDM wireless technology для vehicle-mounted cameras, 360° surveillance systems, and control room monitoring. Let’s explore the key requirements и hidden needs that often come with deploying a COFDM surveillance solution.

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Customer’s Expressed Requirements

1. COFDM Wireless Solution
   • Vehicle-mounted COFDM-передатчики with 360° cameras.
   • Centralized COFDM-приемник in the control room.
2. Сценарий применения
   • Предназначен для land-based surveillance and security: транспортные средства, ground personnel, and control centers.
3. Частотный диапазон
   • Must comply with AS923-1 frequency band (used across Asia-Pacific for wireless communication).
   • Customized Frequency, we can do the working frequency from 170-6000MHz for you.
4. Диапазон передачи
   • Maximum possible long-range wireless video transmission.
   • Clarification needed for both Прямая видимость (ЛОС) и Вне прямой видимости (NLOS) coverage.

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Hidden Needs for COFDM Surveillance Systems

While customers usually list the basics, many critical requirements are not mentioned explicitly. А professional COFDM surveillance solution should consider the following:

1. Качество видео & Задержка

• Required resolution: HD, Полное HD, or 4K.
• Real-time response with низкая задержка (<100РС).
• Efficient compression (H.265/H.264) for better bandwidth usage.

2. Мобильность & Стабильность

• Support for high-speed vehicle movement (полиция, военный, чрезвычайная ситуация).
• Doppler-resistant COFDM modulation for uninterrupted reception.

3. Power & Ruggedization

• Vehicle-compatible power supply (DC 12V/24V).
• Прочная конструкция: водонепроницаемый, пыленепроницаемый, shock-resistant.

4. Control Room Integration

• Multiple output formats: HDMI, SDI, IP-поток (RTSP/UDP).
• Option for multi-channel reception to monitor several vehicles simultaneously.

5. Безопасность & Шифрование

• AES-128/256 encryption for secure video feeds.
• Authentication to prevent interception of surveillance data.

6. Масштабируемость

• Expansion to cover multiple vehicles and personnel.
• COFDM Mesh Networking or relay mode for extended range.

7. Regulatory Compliance

• Legal operation within the AS923-1 frequency band.
• Certification and licensing support for local regulations.

8. Ease of Deployment

• Plug-and-play setup with existing security infrastructure.
• Portable handheld receivers for security staff in the field.
• Software integration with NVR systems or cloud-based monitoring.

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Example of a Complete COFDM Surveillance Solution

Хорошо продуманный COFDM surveillance system for land use may include:

• COFDM-передатчик: Mounted on vehicles with 360° PTZ or panoramic cameras.
• COFDM-приемник: Installed in the control room with HDMI/IP output to large displays or video servers.
• Mobile Receivers: Portable units for ground security teams.
• Mesh or Relay Nodes: To extend long-range wireless video transmission in NLOS environments.
• Шифрование & Безопасность: AES-256 to ensure data protection.
• Frequency Compliance: Fully tuned for AS923-1 frequency band операция.

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Заключение

When planning a COFDM surveillance solution, customers should not only focus on transmitters and receivers but also consider:

• Video quality and latency для принятия решений в режиме реального времени.
• Encryption and frequency compliance for secure and legal operation.
• Scalability and integration with control rooms and mobile teams.

By addressing these hidden needs, а COFDM-based long-range wireless video transmission system can deliver стабильный, безопасный, and mission-ready surveillance performance, whether in Поле зрения или вне прямой видимости окружающая среда.

If you are exploring COFDM surveillance solutions using AS923-1 frequency band or other customized frequency, consider the complete ecosystem — transmitters, получатели, network integration, and regulatory compliance — to achieve maximum efficiency and reliability.

We currently customize two products according to the customer’s demand on COFDM Surveillance Solution for Wireless Video Transmission.