COFDM Receiver for Android with Wireless video and audio transmission system

COFDM Receiver for Android

COFDM Receiver for Android with Wireless video and audio transmission system

 System advantages

  • Long distance transmission distance
  • Real-time transmission system
  • Delay time is very short — less than 500ms
  • Perfect image quality, bright colors and image smoothing

риси

  • Transmission power 1W
  • Extremely lightweight and rugged housing
  • вібрація, стійкість до ударів,
  • Application of COFDM modulation, MPEG-2, / H.264 compression
  • Невеликий розмір, 102 only × 60 × 21.5 мм
  • Perfect mobile application
  • Video transmission of high quality

Технічні параметри

  • Тип модуляції: COFDM QPSK (4QAM), 16QAM, 64QAM
  • Робоча частота: 300-900 МГц; (adjustable per 1M)
  • The antenna gain: 2.15дБі
  • Send power: 30дБм (регульований)
  • Смуга радіочастот: 1.25 / 2.5 / 6/7/8 МГц (опціональний)
  • FEC (виправлення помилок вперед): 1/2 2/3 3/4 7/8
  • Інтервал захисту: 1/4, 1/8, 1/16, 1/32
  • Метод шифрування : 128 – Біт AES (Can Set User Password)
  • Робоча напруга : DC12V
  • Робоча температура ： -10 ~ 70 ℃
  • розміри : 102 * 60 * 21.5 (мм)
  • вага: 170G (antenna not included)
  • Відстань передачі ：100 метрів заввишки, 5-7 км відстані

введення

This product is a new type of wireless video device. Using the latest COFDM modulation and MPEG-2 video compression technology, it is able to complete video transmission in high-speed sports and NLOS (поза прямою видимістю) умови. The diversity reception technique greatly improves the quality of all reception conditions.

COFDM Receiver
COFDM Receiver for Android
Wireless video
Wireless video and audio transmission

Огляд

The COFDM Receiver for Android is an advanced, high-performance wireless receiver designed for seamless HD video and audio transmission to Android devices. Utilizing the latest Кодовано мультиплексування з ортогональним частотним поділом (COFDM) modulation technology combined with MPEG-2 and H.264 video compression, this receiver ensures якісний, real-time video streaming навіть у складних умовах.

Компактний, легкий, and rugged, the device measures 102 × 60 × 21.5 мм and weighs just 170 грамів (antenna not included), making it ideal for mobile deployment, UAV integration, vehicle-based monitoring, and field operations. Despite its small form factor, the COFDM Receiver delivers robust signal reception, long-range coverage, and excellent resistance to interference from multipath reflections, obstructions, and high-speed movement.

With a transmission delay of менше ніж 500 мілісекунд, the receiver provides near-instantaneous video feedback, що робить його придатним для real-time monitoring, drone navigation, екстрене реагування, and live event broadcasting. Його high-quality video output features bright, accurate colors, smooth motion, and minimal artifacts, ensuring a professional-grade visual experience on Android devices.

The receiver also incorporates Шифрування AES-128 to secure transmitted content, protecting sensitive information during surveillance, безпеки, or industrial monitoring tasks. Його flexible frequency range (300–900 МГц) and adjustable RF bandwidth allow for seamless integration with various COFDM transmitters and operational environments.

System Advantages

  1. Передача на великі відстані
    • Capable of receiving signals over 5–7 kilometers under optimal line-of-sight conditions.
    • Supports non-line-of-sight (NLOS) операція, maintaining video quality even when obstacles obstruct the direct signal path.
  2. Real-Time Video Transmission
    • Extremely low latency ensures instantaneous feedback, crucial for UAV operations, мобільне спостереження, and live event coverage.
  3. High-Quality Video
    • Maintains sharp, vibrant, and smooth images at all times.
    • Eliminates common video artifacts such as pixelation, dragging, and mosaic effects, even in high-speed or interference-prone environments.
  4. Міцний, Mobile-Ready Design
    • Lightweight and compact, making it ideal for mobile, кишеньковий, or vehicle-based deployment.
    • Shock and vibration-resistant, suitable for UAV, automotive, and field operations.
  5. NLOS (Поза межами прямої видимості) Продуктивність
    • Strong diffraction and multipath handling capabilities allow reliable reception in complex urban or natural environments.
  6. Enhanced Diversity Reception
    • COFDM’s diversity reception ensures stable and consistent video quality under varying environmental conditions.

Ключові риси

  • Потужність передачі: 1W, with adjustable RF output up to 30 дБм, providing flexibility for different operational distances.
  • Модуляція COFDM: Підтримує QPSK (4QAM), 16QAM, and 64QAM for optimized data rate, стабільність, and interference resistance.
  • Стиснення відео: MPEG-2 and H.264 for efficient high-definition decoding on Android devices.
  • Adjustable RF Bandwidth: Options include 1.25, 2.5, 6, 7, або 8 MHz to match operational and regulatory requirements.
  • Попереднє виправлення помилок (FEC): Configurable ratios of 1/2, 2/3, 3/4, і 7/8 for superior error resilience.
  • Інтервал захисту: Guard intervals of 1/4, 1/8, 1/16, або 1/32 for mitigating multipath interference.
  • AES-128 Encryption: Optional user-defined password for secure and private video transmission.
  • Compact Dimensions: 102 × 60 × 21.5 мм, enabling easy integration into UAVs, транспортних засобів, or handheld setups.
  • Легкий: 170 г, designed for mobile applications without adding operational load.
  • Робоча напруга: DC 12V compatible with UAV systems, транспортних засобів, and portable battery packs.
  • Робоча температура: -10°C до +70 °C, allowing deployment in harsh outdoor conditions.
  • Посилення антени: 2.15 дБі, optimized for mobile and aerial reception.
  • відстань передачі: Capable of 5–7 km in typical outdoor conditions; range may vary depending on terrain, перешкоди, and transmitter power.

Технічні параметри

Параметрспецифікація
Тип модуляціїCOFDM (QPSK / 16QAM / 64QAM)
робоча частота300–900 МГц (adjustable per 1 МГц)
Посилення антени2.15 дБі
Вихідна потужність РЧ30 дБм (регульований)
Смуга радіочастот1.25 / 2.5 / 6 / 7 / 8 МГц (опціональний)
Попереднє виправлення помилок (FEC)1/2, 2/3, 3/4, 7/8
Інтервал захисту1/4, 1/8, 1/16, 1/32
Стиснення відеоMPEG-2,, H.264
шифруванняAES-128 (user-configurable)
Робоча напруга12 В постійного струму
Робоча температура-10°C до +70 °C
розміри102 × 60 × 21.5 мм (antenna not included)
вага170 г (antenna not included)
відстань передачіLOS: 5–7 km; NLOS: variable depending on environment

додатків

The COFDM Receiver for Android is highly versatile and can be deployed across a wide array of industries and operational scenarios:

  1. UAV and Drone Operations
    • Supports high-definition video reception for drone reconnaissance, aerial photography, огляд, і картографування.
    • Maintains stable NLOS performance, ensuring uninterrupted video feeds in urban, заліснений, or complex terrains.
  2. Мобільне спостереження
    • Ideal for integration into mobile command vehicles, поліцейські машини, security vans, та підрозділи реагування на надзвичайні ситуації.
    • Supports DC 12V input and compact form factor for easy installation and portability.
  3. Безпека та правоохоронні органи
    • Provides reliable, real-time video feeds for security monitoring, border patrol, пожежогасіння, and emergency operations.
    • AES-128 encryption protects sensitive video from unauthorized access.
  4. Industrial and Infrastructure Monitoring
    • Enables remote monitoring of pipelines, power stations, промислові об'єкти, and critical infrastructure.
    • High-definition video supports early fault detection, operational oversight, and process optimization.
  5. Broadcasting and Live Event Coverage
    • Receives HD feeds from COFDM transmitters for professional media, news, спорт, and outdoor events.
    • Real-time streaming with minimal latency ensures smooth live coverage.
  6. Research and Field Studies
    • Supports scientific research, моніторинг тваринного світу, and field observation where real-time video is critical.
    • Compact and portable design facilitates field deployment in remote locations.

Optional Features and Customizations

  • Extended Frequency Bands: Customizable frequency ranges beyond 900 MHz for specialized applications.
  • High-Power Receiver Options: Enhanced RF sensitivity and power for extended range reception.
  • External Antennas: High-gain directional or omnidirectional antennas for improved signal quality.
  • Enhanced Encryption: AES-256 or proprietary encryption solutions for higher security requirements.
  • Firmware Updates: USB-upgradable firmware ensures compatibility with new COFDM transmitters and features.
  • Waterproof/Rugged Enclosures: Optional IP-rated enclosures for operation in rain, пил, or industrial environments.
  • Multiple Receiver Pairing: Supports simultaneous reception from multiple COFDM transmitters, ideal for multi-camera setups.

Висновок

The COFDM Receiver for Android є a cutting-edge wireless video and audio reception solution designed for professionals who require якісний, відео в реальному часі in demanding environments. Leveraging COFDM модуляція, advanced error correction, and H.264/MPEG-2 decoding, it delivers clear, гладкий, and low-latency video, even under high-speed movement or in NLOS conditions.

Його компактний розмір, lightweight design, and rugged construction make it highly portable for UAV, vehicle-based, and handheld deployment. With adjustable частота, пропускна здатність, and encryption options, this receiver is adaptable for a wide range of operational needs and regulatory requirements.

Whether deployed for UAV surveillance, мобільні командні центри, екстрене реагування, промисловий моніторинг, or live event broadcasting, the COFDM Receiver for Android ensures secure, надійний, and professional-grade video reception, making it an essential tool for modern wireless video operations.

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