COFDM-T902T COFDM HD Wireless Transmitter with composite Video CVBS 720P HDMI 1080 P input

COFDM HD Wireless Transmitter

COFDM-T902T COFDM HD Wireless Composite Video Transmitter 1080P CVBS SD 720P

Points de vente

• 1～2W RF output;
• HD 1080P, SD720P composite CVBS in
• H.264/MPEG-2;
• Retard <500MS;
• 100mm×43mm×10mm, 0.2kilos

Caractéristiques du produit

1. Working frequency can be adjusted from 170MHz ~ 930MHz
2. Vidéo, interface audio: HDMI digital interface and analog CVBS composite inputs (_SDI input is coming soon)
3. High-quality digital video processing and H.264 / MPEG-2 video codec, HD quality
4. The COFDM HD wireless transmitter has a very short coding delay of 500 millisecondes
5. High-speed mobile and multi-path interference stable transmission of images, vidéo
6. Powerful NLOS capability, COFDM HD Wireless Transmitter
7. Having space, diverse réception
8. With encryption, COFDM HD Wireless Transmitter
9. Default 1W transmit RF power, develop different 1~2W
10. Selon les exigences du client, OEM or ODMs are customized

spécification

fréquence de travail	170MHz ~ 900MHz, be customized
Méthode de modulation	COFDM
RF Output power	1~2W can develop more power
Bande passante	6/7/8MHz
Le chiffrement	AES / AES2 / DES / DES2
intervalle de garde	1 / 32,1 / 16,1 / 8,1 / 4
Technical standards	H.264 / MPEG-2
Flux vidéo	2Mbps ~ 25Mbps
System delays	<500MS
BER	≤10-6
Distance de transmission	1 ~ 10km
Format de compression	H.264 / MPEG-2
Entrée vidéo	HDMI, Analog CVBS video, and audio
Entrée audio	Stéréo, Droite + Gauche
Image definition	1080P/I (1920×1080) is compatible with 720P, 480P and SD @ frame rate of 25 frames / seconde.
Interface d'entrée vidéo	3.5 prise casque mm, HDMI
Audio input interface	3.5 prise casque mm, HDMI
Alimentation	VCC6V ~ 40V
Dimensions	100mm × 43mm × 10mm (L × W × H)
Poids	0.2kilos

Need to update this model. Vérifiez s'il vous plaît COFDM-907T.

Galerie

 

Aperçu

le COFDM-T902T est de qualité professionnelle Transmetteur vidéo sans fil HD designed to deliver stable, high-quality video transmission in real-time, even under challenging environments. Integrating COFDM (Multiplexage par répartition orthogonale de la fréquence codée) technologie avec H.264 / MPEG-2 compression, this system provides ultra-low latency, vidéo haute résolution, and robust resistance to multipath interference, making it ideal for UAV applications, diffusion mobile, surveillance sur le terrain, and emergency communication.

L'émetteur prend en charge Entrée numérique HDMI, ainsi que analog CVBS composite video, enabling compatibility with a wide range of cameras and devices. It is capable of transmitting Full HD 1080p video and is backward compatible with 720p and SD formats, ensuring flexibility across different deployment scenarios. With adjustable RF output power from 1W to 2W et un compact, lightweight form factor (100mm × 43mm × 10mm, 0.2kilos), the COFDM-T902T is suitable for UAV integration, véhicules de presse mobiles, or portable monitoring setups.

Avec un coding delay of less than 500 millisecondes, the transmitter supports high-speed, hors ligne de vue (NLOS) transmission, making it capable of maintaining high-quality video streams in complex environments where line-of-sight communication is not feasible. It also incorporates réception de la diversité spatiale et AES/DES encryption, ensuring reliable and secure transmission for professional applications.

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Key Advantages

1. Transmission longue portée
   • Prise en charge 1–10 km transmission distance en fonction de l'environnement, antenna setup, and output power.
   • Default RF output is 1W, with optional development to 2W or higher to meet specific project requirements.
2. Real-Time Low-Latency Transmission
   • System delay is moins que 500 MS, providing near-instantaneous video for surveillance, UAV monitoring, or live broadcasting applications.
3. High-Resolution Video Quality
   • Full HD 1080p with HDMI input and analog CVBS 720p inputs.
   • Compatible with 480P SD and lower resolutions, allowing flexible integration with older camera systems.
   • High image fidelity with smooth motion and accurate color reproduction.
4. Resilient and Stable Signal
   • La modulation COFDM assure une forte résistance à l'évanouissement par trajets multiples, ingérence, et les obstacles.
   • Excellent NLOS performance allows video transmission behind buildings, arbres, or other obstacles.
5. Flexible and Compact Design
   • Ultra-lightweight 0.2kilos and small form factor 100mm × 43mm × 10mm, ideal for UAV payloads or mobile applications.
   • Compact design allows OEM or ODM customization according to project needs.
6. Transmission sécurisée
   • AES / AES2 / DES / DES2 encryption ensures secure, private video streams.
7. Adjustable Working Frequency
   • Operates across 170 MHz 930 MHz, with the possibility of customized frequency selection to comply with local spectrum regulations.

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Caractéristiques du produit

1. Video and Audio Input
   • Prise en charge Entrée vidéo numérique HDMI for modern cameras and DV devices.
   • Prise en charge analog CVBS composite video input for legacy equipment.
   • Stereo audio input via 3.5 mm headphone jack or HDMI, ensuring synchronized high-quality audio-video transmission.
2. Modulation COFDM avancée
   • COFDM technology provides reliable reception in high-speed mobile applications, ensuring smooth video in UAV or vehicle-mounted systems.
   • Best-in-class Doppler performance suitable for moving speeds greater than 150 km/h.
3. Transmission à faible latence
   • Transmission delay less than 500 millisecondes, providing near-real-time monitoring for mission-critical applications.
4. Powerful NLOS Capability
   • Able to maintain stable video in non-line-of-sight conditions due to strong diffraction capability and multipath interference resistance.
5. High Sensitivity and Signal Stability
   • Supports high sensitivity for full HD reception over long distances.
   • Space diversity reception reduces the impact of fading and signal drops.
6. Flexible RF Output Power
   • Default 1W RF output, with adjustable power up to 2W.
   • Optional high-power configurations available upon request.
7. Modulation and Bandwidth Options
   • Supports channel bandwidths of 6 / 7 / 8 MHz, configurable for specific project or regional requirements.
   • Guard interval configurable (1/32, 1/16, 1/8, 1/4) for optimal multipath interference handling.
8. Technical Standards
   • Prise en charge H.264 / MPEG-2 encoding with video stream rates from 2 Mbit/s vers 25 Mbit/s, providing a balance between video quality and bandwidth efficiency.
   • Taux d'erreur sur les bits (BER) ≤ 10^-6, ensuring error-free transmission under optimal conditions.
9. High Compatibility
   • HDMI and CVBS input for video; stereo audio inputs supported.
   • Compatible with Full HD 1080p, HD 720p, and SD 480p resolutions.
10. Rugged Design and Power Supply Flexibility
    • Léger 0.2kilos for portable or UAV applications.
    • Fonctionne sur VCC 6V–40V, providing versatility for integration with various power sources.
11. OEM/ODM Customization
    • COFDM-T902T can be customized to meet specific project requirements in terms of RF output, plage de fréquence, interface type, or physical housing.

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Spécifications techniques

Paramètre	spécification
Fréquence de travail	170 MHz- 930 MHz (personnalisable)
Méthode de modulation	COFDM
Puissance de sortie RF	1–2 W (default 1W, personnalisable)
Bande passante du canal	6 / 7 / 8 MHz
Compression vidéo	H.264 / MPEG-2
Flux vidéo	2 Mbit/s – 25 Mbit/s
System Delay	<500 MS
Taux d'erreur sur les bits (BER)	≤10^-6
Entrée vidéo	HDMI, Composite CVBS
Entrée audio	Stéréo, 3.5 mm jack or HDMI
Résolution de l'image	1080p / 720p / 480p SD
Intervalle de Garde	1/32, 1/16, 1/8, 1/4
Distance de transmission	1–10 km (depending on power and environment)
Alimentation	VCC 6V – 40V
Dimensions	100mm × 43mm × 10mm (L × W × H)
Poids	0.2 kilos
Le chiffrement	AES / AES2 / DES / DES2
NLOS Capability	Oui, strong diffraction performance
Space Diversity Reception	Oui

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Applications

le COFDM-T902T HD Wireless Transmitter is suitable for a wide range of professional applications, comprenant:

1. UAV and Drone Applications
   • High-definition video downlink for aerial photography, surveillance, cartographie, et inspections industrielles.
   • Lightweight and compact design allows seamless integration into UAV payloads.
2. Mobile Broadcasting
   • Portable transmitter for field reporters and live news gathering.
   • Compatible with HDMI cameras and legacy CVBS systems for flexible deployment.
3. Sécurité publique et application de la loi
   • Real-time monitoring and live video feeds for police, feu, et les unités d'intervention d'urgence.
   • AES/DES encryption ensures secure transmission for sensitive operations.
4. Industrial Monitoring and Inspection
   • Supports wireless video monitoring of pipelines, power infrastructure, chantiers de construction, and remote industrial facilities.
5. Emergency Communications
   • Provides stable HD video links for disaster response, lutte contre les incendies, and search-and-rescue operations.
6. Event Coverage and Broadcasting
   • Ideal for outdoor live events, sportif, concerts, or mobile broadcasting setups requiring robust NLOS capabilities.

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Optional Features and Customization

• High-Power Models: Transmitters with RF output above 2W available for extended distance coverage.
• Personnalisation de la fréquence: Operates in 170–930 MHz by default; extended frequency ranges available for specific requirements.
• Options d'entrée vidéo: SDI input modules coming soon for professional broadcast cameras.
• Housing Customization: Rugged or UAV-compatible housings for OEM/ODM solutions.
• Modules de chiffrement: Optional advanced encryption for secure video transmission.
• Custom Output Interfaces: Tailored HDMI, CVBS, or audio outputs for specialized applications.

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Conclusion

le COFDM-T902T HD Wireless Video Transmitter est un professionnel, fiable, and versatile solution for wireless HD video transmission in UAV, diffusion mobile, surveillance industrielle, et applications de sécurité publique. Sa combinaison de Modulation COFDM, low-latency H.264/MPEG-2 encoding, conception compacte, and powerful NLOS capabilities garantit des performances fiables dans des environnements complexes et dynamiques. With flexible input interfaces, adjustable RF output power, and customizable frequency options, it provides a fully adaptable platform for professional-grade wireless video transmission needs.

Que ce soit pour reconnaissance aérienne, diffusion en direct, intervention d'urgence, or industrial monitoring, the COFDM-T902T delivers de haute qualité, low-latency video with maximum reliability and security.