Receptor COFDM para Android com sistema de transmissão de vídeo e áudio sem fio

COFDM Receiver for Android

Receptor COFDM para Android com sistema de transmissão de vídeo e áudio sem fio

 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

Características

• Transmission power 1W
• Extremely lightweight and rugged housing
• vibração, resistência ao impacto,
• Application of COFDM modulation, MPEG-2 / Compressão H.264
• Tamanho pequeno, 102 only × 60 × 21.5 milímetros
• Perfect mobile application
• Video transmission of high quality

Parâmetros Técnicos

• Tipo de modulação: COFDMQPSK (4QAM), 16QAM, 64QAM
• Frequência operacional: 300-900 MHz; (adjustable per 1M)
• The antenna gain: 2.15dBi
• Send power: 30dBm (ajustável)
• Largura de banda RF: 1.25 / 2.5 / 6/7/8 MHz (opcional)
• FEC (forward error correction): 1/2 2/3 3/4 7/8
• Intervalo de proteção: 1/4, 1/8, 1/16, 1/32
• Encryption Method : 128 – Bit AES (Can Set User Password)
• Tensão operacional : DC12V
• Temperatura operacional ： -10 ~ 70 ℃
• Dimensões : 102 * 60 * 21.5 (milímetros)
• Peso: 170G (antena não incluída)
• Distância de transmissão ：100 metros de altura, 5-7 km de distância

Introdução

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 (sem linha de visão) condições. The diversity reception technique greatly improves the quality of all reception conditions.

Visão geral

o 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 Multiplexação por divisão de frequência ortogonal codificada (COFDM) modulation technology combined with MPEG-2 and H.264 video compression, this receiver ensures de alta qualidade, streaming de vídeo em tempo real mesmo em ambientes desafiadores.

Compactar, leve, and rugged, the device measures 102 × 60 × 21.5 milímetros and weighs just 170 gramas (antena não incluída), tornando-o ideal para 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, e movimento em alta velocidade.

With a transmission delay of menor que 500 milissegundos, the receiver provides near-instantaneous video feedback, tornando-o adequado para monitoramento em tempo real, drone navigation, resposta de emergência, and live event broadcasting. Isso é 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 Criptografia AES-128 to secure transmitted content, protecting sensitive information during surveillance, segurança, or industrial monitoring tasks. Isso é flexible frequency range (300–900 MHz) and adjustable RF bandwidth allow for seamless integration with various COFDM transmitters and operational environments.

---

System Advantages

1. Transmissão de longa distância
   • Capable of receiving signals over 5–7 kilometers under optimal line-of-sight conditions.
   • Supports non-line-of-sight (NLOS) operação, 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, vigilância móvel, 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. Áspero, Mobile-Ready Design
   • Lightweight and compact, making it ideal for mobile, portátil, or vehicle-based deployment.
   • Shock and vibration-resistant, suitable for UAV, automotivo, and field operations.
5. NLOS (Sem linha de visão) Desempenho
   • 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.

---

Características principais

• Potência de transmissão: 1W, with adjustable RF output up to 30 dBm, providing flexibility for different operational distances.
• Modulação COFDM: Suporta QPSK (4QAM), 16QAM, and 64QAM for optimized data rate, estabilidade, and interference resistance.
• Compressão de vídeo: MPEG-2 and H.264 for efficient high-definition decoding on Android devices.
• Adjustable RF Bandwidth: Options include 1.25, 2.5, 6, 7, ou 8 MHz to match operational and regulatory requirements.
• Correção de erro de encaminhamento (FEC): Configurable ratios of 1/2, 2/3, 3/4, e 7/8 for superior error resilience.
• Protection Interval: Guard intervals of 1/4, 1/8, 1/16, ou 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 milímetros, enabling easy integration into UAVs, veículos, or handheld setups.
• Leve: 170 g, designed for mobile applications without adding operational load.
• Tensão operacional: DC 12V compatible with UAV systems, veículos, and portable battery packs.
• Temperatura de operação: -10°C a +70°C, allowing deployment in harsh outdoor conditions.
• Antenna Gain: 2.15 dBi, optimized for mobile and aerial reception.
• Distância de transmissão: Capable of 5–7 km in typical outdoor conditions; range may vary depending on terrain, obstáculos, and transmitter power.

---

Parâmetros Técnicos

Parâmetro	Especificação
Tipo de modulação	COFDM (QPSK / 16QAM / 64QAM)
Frequência operacional	300–900 MHz (adjustable per 1 MHz)
Antenna Gain	2.15 dBi
Potência de saída de RF	30 dBm (ajustável)
Largura de banda RF	1.25 / 2.5 / 6 / 7 / 8 MHz (opcional)
Correção de erro de encaminhamento (FEC)	1/2, 2/3, 3/4, 7/8
Protection Interval	1/4, 1/8, 1/16, 1/32
Compressão de vídeo	MPEG-2, H.264
Encryption	AES-128 (user-configurable)
Tensão operacional	12V CC
Temperatura de operação	-10°C a +70°C
Dimensões	102 × 60 × 21.5 milímetros (antena não incluída)
Peso	170 g (antena não incluída)
Distância de transmissão	THE: 5–7 km; NLOS: variable depending on environment

---

Aplicações

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

1. Operações de UAV e Drones
   • Supports high-definition video reception for drone reconnaissance, aerial photography, inspeção, and mapping.
   • Maintains stable NLOS performance, ensuring uninterrupted video feeds in urban, forested, or complex terrains.
2. Vigilância Móvel
   • Ideal for integration into mobile command vehicles, police cars, security vans, and emergency response units.
   • Supports DC 12V input and compact form factor for easy installation and portability.
3. Security and Law Enforcement
   • Provides reliable, real-time video feeds for security monitoring, patrulha de fronteira, combate a incêndios, and emergency operations.
   • AES-128 encryption protects sensitive video from unauthorized access.
4. Industrial and Infrastructure Monitoring
   • Enables remote monitoring of pipelines, centrais eléctricas, industrial facilities, 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, esportes, and outdoor events.
   • Real-time streaming with minimal latency ensures smooth live coverage.
6. Pesquisa e estudos de campo
   • Supports scientific research, monitoramento da vida selvagem, 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.
• Atualizações de firmware: USB-upgradable firmware ensures compatibility with new COFDM transmitters and features.
• Waterproof/Rugged Enclosures: Optional IP-rated enclosures for operation in rain, pó, or industrial environments.
• Multiple Receiver Pairing: Supports simultaneous reception from multiple COFDM transmitters, ideal for multi-camera setups.

---

Conclusão

o COFDM Receiver for Android é um cutting-edge wireless video and audio reception solution designed for professionals who require de alta qualidade, vídeo em tempo real em ambientes exigentes. Leveraging Modulação COFDM, advanced error correction, and H.264/MPEG-2 decoding, it delivers claro, suave, e vídeo de baixa latência, even under high-speed movement or in NLOS conditions.

Isso é tamanho compacto, design leve, and rugged construction make it highly portable for UAV, vehicle-based, and handheld deployment. With adjustable freqüência, largura de banda, and encryption options, this receiver is adaptable for a wide range of operational needs and regulatory requirements.

Whether deployed for UAV surveillance, centros de comando móveis, resposta de emergência, monitoramento industrial, or live event broadcasting, the COFDM Receiver for Android ensures seguro, confiável, and professional-grade video reception, making it an essential tool for modern wireless video operations.