COFDM wireless receiver
COFDM wireless receiver with Long distance transmission distance
Table des matières
Avantages du système
- 1. Distance de transmission longue distance
- 2. Système de transmission en temps réel
- 3. Delay time is very short less than 500ms
- 4. Qualité d'image parfaite, couleurs vives et lissage de l'image
Caractéristiques
- 1. Puissance d'émission 1W
- 2. Boîtier extrêmement léger et robuste
- 3. vibration, résistance aux chocs
- 4. Application de la modulation COFDM, MPEG-2 / Compression H.264
- 5. Petite taille, 102 seulement × 60 × 21.5 mm
- 6. Application mobile parfaite
- 7. Transmission vidéo de haute qualité, pas de mosaïque, no drag phenomenon
- 8. Support non-line-of-sight transmission, strong diffraction capability;
Paramètres techniques
- Type de modulation ： COFDM QPSK (4QAM), 16QAM, 64QAM
- Fréquence de fonctionnement : 300-900 MHz; (réglable par 1M)
- Le gain de l'antenne ： 2.15dBi
- Envoyer de l'énergie ： 30dBm (réglable)
- Bande passante RF： 1.25 / 2.5 / 6/7/8 MHz (facultatif)
- FEC (correction d'erreur directe) ：1/2 2/3 3/4 7/8
- Intervalle de protection ： 1/4, 1/8, 1/16, 1/32
- Compression vidéo MPEG-2, H.264 : ( video input of friends, NTSC)
- Méthode de cryptage ：128 – Bit AES (Peut définir le mot de passe utilisateur)
- Tension de fonctionnement ：DC12V
- Température de fonctionnement ： -10 ~ 70 ℃
- Dimensions ： 102 * 60 * 21.5 (mm) (antenne non incluse)
- Poids ：170G (antenne non incluse)
Distance de transmission ： 100 mètres de haut, 5-7 m distance
Galerie
Aperçu
le COFDM Wireless Receiver est un appareil performant, professional-grade solution designed for real-time wireless video and audio reception over long distances. Utilizing COFDM (Multiplexage par répartition orthogonale de la fréquence codée) technologie, this receiver delivers exceptional stability, robustesse, and resistance to multipath interference, making it ideal for challenging environments where traditional analog or digital transmission methods may fail.
Engineered for mobile, drone, drone, and field deployment, the receiver combines taille compacte, construction légère, and advanced digital signal processing. Measuring just 102 × 60 × 21.5 mm and weighing 170 g (excluding antenna), it is extremely portable, making it suitable for on-the-go operations, utilisation portable, vehicle installations, or integration into mobile command centers.
This receiver supports high-quality video with bright colors, mouvement fluide, and minimal latency, maintaining frame-to-frame clarity even under non-line-of-sight (NLOS) conditions. With a transmission delay of less than 500 millisecondes, it ensures near real-time monitoring for security, inspection industrielle, radiodiffusion, and UAV applications.
The COFDM wireless receiver is compatible with H.264 and MPEG-2 video compression standards, providing efficient video decoding without compromising resolution or smoothness. C'est adjustable frequency range (300–900 MHz) allows for deployment in various regions and frequency bands, alors que Cryptage AES-128 ensures secure transmission for sensitive operations.
Avantages du système
- Transmission longue distance
- Achieves reliable reception over extended distances for both line-of-sight (LA) et hors ligne de vue (NLOS) scénarios.
- High-gain antennas and adjustable RF output power contribute to stable reception even in complex terrain or urban environments.
- Real-Time Video Reception
- Extremely low latency (<500 MS) ensures real-time video monitoring, critical for UAV operation, remote surveillance, et intervention d'urgence.
- Superior Image Quality
- Supports high-definition video reception with bright, couleurs vibrantes and smooth motion playback.
- Eliminates common artifacts such as mosaic, faire glisser, or tearing.
- Robust Design for Field Use
- Léger, rugged, 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) Performance
- Strong diffraction and multipath interference handling capability ensures video reception even when direct line-of-sight is obstructed by buildings, arbres, ou le terrain.
Key Features
- Puissance de transmission RF: Adjustable up to 30 dBm, providing flexibility for long-range or short-range reception needs.
- Modulation Support: COFDM with QPSK (4QAM), 16QAM, and 64QAM for optimized video reception and interference resilience.
- Options de bande passante: Selectable RF bandwidths of 1.25 MHz, 2.5 MHz, 6 MHz, 7 MHz, et 8 MHz to accommodate different channel requirements.
- Correction d'erreur directe (FEC): Rapports configurables de 1/2, 2/3, 3/4, et 7/8 to enhance data integrity during high-speed transmissions.
- Protection Intervals: Configurable guard intervals of 1/4, 1/8, 1/16, et 1/32 to minimize inter-symbol interference in high-multipath environments.
- Décodage vidéo: Prise en charge MPEG-2 and H.264, ensuring compatibility with a wide range of COFDM transmitters.
- Le chiffrement: AES-128 bit encryption with a user-defined password for secure transmission of sensitive video feeds.
- Tension de fonctionnement: DC 12V for field and vehicle deployment.
- Operating Temperature Range: -10 °C à +70 °C for reliable operation in extreme environmental conditions.
- Dimensions compactes: 102 × 60 × 21.5 mm (excluding antenna) for portability.
- Poids: Lightweight at 170 g for easy handling and UAV integration.
- Gain d'antenne: 2.15 dBi, suitable for mobile and UAV-based reception setups.
Spécifications techniques
| Paramètre | spécification |
|---|---|
| Type de modulation | COFDM (QPSK / 16QAM / 64QAM) |
| Fréquence de fonctionnement | 300–900 MHz (réglable par 1 MHz) |
| Gain d'antenne | 2.15 dBi |
| Puissance de sortie RF | 30 dBm (réglable) |
| Bande passante RF | 1.25 / 2.5 / 6 / 7 / 8 MHz (facultatif) |
| Correction d'erreur directe (FEC) | 1/2, 2/3, 3/4, 7/8 |
| Intervalle de protection | 1/4, 1/8, 1/16, 1/32 |
| Compression vidéo | MPEG-2, H.264 |
| Le chiffrement | AES-128 (user-configurable password) |
| Tension de fonctionnement | C.C 12 V |
| Operating Temperature | -10 °C à +70 °C |
| Dimensions | 102 × 60 × 21.5 mm (antenne non incluse) |
| Poids | 170 g (antenne non incluse) |
| Distance de transmission | LA: >1 km; NLOS: >600 m (dependent on environment) |
Applications
The COFDM Wireless Receiver is highly versatile and applicable in a wide range of professional scenarios:
- drone / Opérations de drones
- Receives HD video from airborne transmitters for surveillance, reconnaissance, cartographie, inspection, 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, voitures de police, or mobile command vehicles.
- Supports DC 12V supply and compact installation for on-the-move operations.
- Sûreté et sécurité publiques
- Convient aux forces de l'ordre, lutte contre les incendies, patrouille frontalière, et les équipes d'intervention d'urgence.
- Provides secure and real-time video feeds during critical operations.
- Inspection et surveillance industrielles
- Monitors industrial sites, pipelines, centrales électriques, and remote facilities.
- High-quality video reception aids in fault detection, safety monitoring, and operational management.
- Diffusion et couverture d'événements en direct
- Receives live feeds for events, sportif, concerts, and outdoor broadcasting.
- Provides real-time, HD-quality video for seamless integration into production systems.
- Recherche et éducation
- Ideal for scientific experiments, field research, and educational applications requiring real-time video data transmission.
Fonctionnalités et personnalisations facultatives
- 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.
- Options d'antenne: 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.
Conclusion
le COFDM Wireless Receiver est un professional-grade, polyvalent, and reliable solution for HD video reception in UAV, mobile, industriel, sécurité, and broadcasting applications. Sa combinaison de Technologie COFDM, faible latence, Capacité NLOS, and encryption ensures secure, en temps réel, high-quality video reception in complex and challenging environments.
Compact, léger, et robuste, this receiver is designed for both portability and durability, le rendant approprié pour field, aéroporté, and vehicle-based deployments. With flexible fréquence, bandwidth, et options de cryptage, it can be tailored to meet specific operational needs and regulatory requirements.
Whether used in surveillance aérienne, intervention d'urgence, surveillance industrielle, ou diffusion en direct, the COFDM Wireless Receiver delivers lisse, fiable, 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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