COFDM wireless receiver
COFDM wireless receiver with Long distance transmission distance
Tabla de contenido
Ventajas del sistema
- 1. Distancia de transmisión de larga distancia
- 2. Sistema de transmisión en tiempo real
- 3. Delay time is very short less than 500ms
- 4. Calidad de imagen perfecta, colores brillantes y suavizado de imagen
Caracteristicas
- 1. Potencia de transmisión 1W
- 2. Carcasa extremadamente ligera y resistente
- 3. vibración, resistencia al impacto
- 4. Aplicación de la modulación COFDM., MPEG-2 / Compresión H.264
- 5. tamaño pequeño, 102 solo × 60 × 21.5 mm
- 6. Aplicación móvil perfecta
- 7. Transmisión de vídeo de alta calidad., sin mosaico, no drag phenomenon
- 8. Support non-line-of-sight transmission, fuerte capacidad de difracción;
Parámetros técnicos
- Tipo de modulación ： QPSK COFDM (4QAM), 16QAM, 64QAM
- Frecuencia de funcionamiento : 300-900 megahercio; (ajustable por 1M)
- La ganancia de la antena ： 2.15dBi
- enviar poder ： 30dBm (adjustable)
- ancho de banda de radiofrecuencia： 1.25 / 2.5 / 6/7/8 megahercio (Opcional)
- FEC (corrección de errores hacia adelante) ：1/2 2/3 3/4 7/8
- Intervalo de protección ： 1/4, 1/8, 1/16, 1/32
- Compresión de vídeo MPEG-2, H.264 : ( video input of friends, NTSC)
- Método de cifrado ：128 – Bit AES (Puede establecer la contraseña del usuario)
- Tensión de funcionamiento ：12 V CC.
- Temperatura de funcionamiento ： -10 ~ 70 ℃
- Dimensiones ： 102 * 60 * 21.5 (mm) (antena no incluida)
- Peso ：170GRAMO (antena no incluida)
Distancia de transmisión ： 100 metros de altura, 5-7 m distance
Galería
Descripción general
los COFDM Wireless Receiver es un alto rendimiento, professional-grade solution designed for real-time wireless video and audio reception en largas distancias. Utilizing COFDM (Multiplexación por división de frecuencia ortogonal codificada) tecnología, this receiver delivers exceptional stability, robustness, and resistance to multipath interference, making it ideal for challenging environments where traditional analog or digital transmission methods may fail.
Engineered for mobile, UAV, zumbido, and field deployment, the receiver combines tamaño compacto, lightweight construction, and advanced digital signal processing. Measuring just 102 × 60 × 21.5 mm and weighing 170 gramo (excluding antenna), it is extremely portable, making it suitable for on-the-go operations, uso portátil, vehicle installations, or integration into mobile command centers.
This receiver supports high-quality video with bright colors, movimiento suave, and minimal latency, maintaining frame-to-frame clarity even under non-line-of-sight (NLOS) condiciones. With a transmission delay of less than 500 milisegundos, it ensures near real-time monitoring for security, inspección industrial, radiodifusión, y aplicaciones de vehículos aéreos no tripulados.
The COFDM wireless receiver is compatible with H.264 and MPEG-2 video compression standards, providing efficient video decoding without compromising resolution or smoothness. Es adjustable frequency range (300–900MHz) allows for deployment in various regions and frequency bands, mientras Cifrado AES-128 ensures secure transmission for sensitive operations.
Ventajas del sistema
- Transmisión de larga distancia
- Achieves reliable reception over extended distances for both line-of-sight (LOS) and non-line-of-sight (NLOS) escenarios.
- High-gain antennas and adjustable RF output power contribute to stable reception even in complex terrain or urban environments.
- Real-Time Video Reception
- Latencia extremadamente baja (<500 Sra) ensures real-time video monitoring, critical for UAV operation, remote surveillance, y respuesta de emergencia.
- Superior Image Quality
- Supports high-definition video reception with bright, colores vibrantes and smooth motion playback.
- Eliminates common artifacts such as mosaic, arrastrando, or tearing.
- Robust Design for Field Use
- Ligero, escabroso, and impact-resistant housing suitable for mobile and aerial applications.
- Operates reliably in harsh environments, from hot summer conditions to sub-zero temperatures.
- Flexible Non-Line-of-Sight (NLOS) Actuación
- Strong diffraction and multipath interference handling capability ensures video reception even when direct line-of-sight is obstructed by buildings, árboles, o terreno.
Características clave
- Potencia de transmisión de RF: Adjustable up to 30 dBm, providing flexibility for long-range or short-range reception needs.
- Soporte de modulación: COFDM with QPSK (4QAM), 16QAM, and 64QAM for optimized video reception and interference resilience.
- Opciones de ancho de banda: Selectable RF bandwidths of 1.25 megahercio, 2.5 megahercio, 6 megahercio, 7 megahercio, y 8 MHz to accommodate different channel requirements.
- Corrección de errores hacia adelante (FEC): Ratios configurables de 1/2, 2/3, 3/4, y 7/8 to enhance data integrity during high-speed transmissions.
- Protection Intervals: Configurable guard intervals of 1/4, 1/8, 1/16, y 1/32 to minimize inter-symbol interference in high-multipath environments.
- Decodificación de vídeo: Supports MPEG-2 and H.264, ensuring compatibility with a wide range of COFDM transmitters.
- encriptación: AES-128 bit encryption with a user-defined password for secure transmission of sensitive video feeds.
- Voltaje de funcionamiento: DC 12V for field and vehicle deployment.
- Rango de temperatura de funcionamiento: -10 °C a +70 °C for reliable operation in extreme environmental conditions.
- Dimensiones compactas: 102 × 60 × 21.5 mm (excluding antenna) for portability.
- Peso: Lightweight at 170 g for easy handling and UAV integration.
- Ganancia de antena: 2.15 dBi, suitable for mobile and UAV-based reception setups.
Especificaciones técnicas
| Parámetro | Especificación |
|---|---|
| Tipo de modulación | COFDM (QPSK / 16QAM / 64QAM) |
| Operating Frequency | 300–900MHz (ajustable por 1 megahercio) |
| Ganancia de antena | 2.15 dBi |
| Potencia de salida de RF | 30 dBm (adjustable) |
| RF Bandwidth | 1.25 / 2.5 / 6 / 7 / 8 megahercio (Opcional) |
| Corrección de errores hacia adelante (FEC) | 1/2, 2/3, 3/4, 7/8 |
| Intervalo de protección | 1/4, 1/8, 1/16, 1/32 |
| Video Compression | MPEG-2, H.264 |
| encriptación | AES-128 (user-configurable password) |
| Voltaje de funcionamiento | CC 12 V |
| Temperatura de funcionamiento | -10 °C a +70 °C |
| Dimensiones | 102 × 60 × 21.5 mm (antena no incluida) |
| Peso | 170 gramo (antena no incluida) |
| Distancia de transmisión | LOS: >1 km; NLOS: >600 metro (dependent on environment) |
Applications
The COFDM Wireless Receiver is highly versatile and applicable in a wide range of professional scenarios:
- UAV / Operaciones con drones
- Receives HD video from airborne transmitters for surveillance, reconocimiento, cartografía, inspección, and live aerial broadcasting.
- NLOS reception capability ensures uninterrupted monitoring even when obstacles are present.
- Mobile and Vehicle-Based Monitoring
- Ideal for integration into news vans, coches de policia, or mobile command vehicles.
- Supports DC 12V supply and compact installation for on-the-move operations.
- Seguridad pública y protección
- Suitable for law enforcement, extinción de incendios, patrulla fronteriza, and emergency response teams.
- Provides secure and real-time video feeds during critical operations.
- Inspección y Monitoreo Industrial
- Monitors industrial sites, tuberías, centrales eléctricas, and remote facilities.
- High-quality video reception aids in fault detection, safety monitoring, and operational management.
- Transmisión y cobertura de eventos en vivo
- Receives live feeds for events, deportes, conciertos, and outdoor broadcasting.
- Proporciona en tiempo real, HD-quality video for seamless integration into production systems.
- Research and Education
- Ideal for scientific experiments, field research, and educational applications requiring real-time video data transmission.
Funciones opcionales y personalizaciones
- Frequency Band Expansion: Extend the operating frequency beyond 900 MHz for specialized industrial or government applications.
- Enhanced RF Power: Increase RF output above 30 dBm for longer reception distances.
- Opciones de antena: External high-gain antennas for improved reception in challenging terrains.
- Encryption Upgrades: AES-256 or advanced custom encryption for higher security requirements.
- Firmware Upgrades: USB-based firmware updates for new features and protocol compatibility.
- Custom Enclosure: Ruggedized housing or waterproof options for harsh environments.
- Receiver Pairing: Compatible with multiple COFDM transmitters simultaneously for multi-camera setups.
Conclusión
los COFDM Wireless Receiver es un professional-grade, versátil, and reliable solution for HD video reception in UAV, móvil, industrial, seguridad, and broadcasting applications. Su combinación de tecnología COFDM, baja latencia, Capacidad NLOS, y cifrado ensures secure, en tiempo real, high-quality video reception in complex and challenging environments.
Compacto, ligero, y resistente, this receiver is designed for both portability and durability, haciéndolo adecuado para field, aerotransportado, and vehicle-based deployments. With flexible frecuencia, ancho de banda, y opciones de cifrado, it can be tailored to meet specific operational needs and regulatory requirements.
Whether used in vigilancia aérea, respuesta de emergencia, monitoreo industrial, o transmisión en vivo, the COFDM Wireless Receiver delivers liso, confiable, and high-definition video transmission, providing operators with the confidence and clarity needed for critical decision-making and professional-grade visual monitoring.
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