COFDM Wireless transmitter
COFDM-T903T HDMI COFDM Wireless Image Video Transmission Sender Transceiver
Inhaltsverzeichnis
Verkaufsargumente
- Air To Ground>15 km (LOS, UAV, Drohne)
- Ground Distance>1 km (LOS)
- Ground Distance>600 Meters (NLOS)
- 300Mhz~1000Mhz;
- HDMI 1080P-Eingang;
- Verzögerung < 300Frau ;
- 1~5W RF output;
Vorteil
- Machine small size, leicht, tailored for the UAV
- Excellent anti-jamming capability and non-line-of-sight diffraction ability
- Clear picture quality, high-definition 1080P effect
- The real-time image is clear and smooth
Spezifikation
| Arbeitsfrequenz | 300MHz~1000MHz (Frequency customization) |
| Radiofrequency power | ≤28dBm |
| Bandbreite | 2/4/6/7/8MHz |
| FEC | 1/2,2/3,3/4,5/6,7/8 |
| Schutzintervall | 1/32,1/16,1/8,1/4 |
| Code stream | 2Mbps~16Mbps |
| Time delay | ≤300ms |
| Bit error rate | ≤10-6 |
| Übertragungsentfernung | Ground distance> 1 km; Air to ground> 15 km;Non-line of sight> 600 Meter |
| Audio Video Interfaces | HDMI |
| Verschlüsselung | AES128 |
| Bildklarheit | 1920*1080P |
| Image frame rate | 60,50,48,30,25,24fps |
| Stromversorgung | DC10-15V |
| Maße | L118*W66*H22mm |
| Gewicht | 180G |
Packaging List
- Tiny transmitter 1pc
- Receiver 1pc
- Transmitter Power cable 1pc
- Transmitter Antena 1 piece
- Empfängerantenne 2 Stücke
- RF extended cable 2 Stücke

Galerie




Überblick
Das COFDM-T903T ist eine Hochleistungsmaschine, Profi-Qualität HDMI wireless video transmitter designed for real-time HD video transmission over long distances. Hebelwirkung COFDM (Kodiertes orthogonales Frequenzmultiplexen) Technologie, it provides robust and interference-resistant video transmission, even in challenging environments with high multipath interference or non-line-of-sight (NLOS) Bedingungen.
With a compact design (118 × 66 × 22 Millimeter) and lightweight construction (180G), the COFDM-T903T is optimized for UAVs, Drohnen, mobile Fahrzeuge, and portable broadcasting setups, where space, Gewicht, and performance are critical. Es ist HDMI input interface unterstützt bis zu 1080P Full HD video, with frame rates ranging from 24 fps to 60 fps, providing clear, glatt, and real-time imagery.
Equipped with adjustable RF output power from 1 to 5W, the COFDM-T903T ensures long-distance transmission, fähig dazu air-to-ground distances over 15 km (Sichtlinie) und ground-to-ground distances exceeding 1 km (LOS). Even under NLOS conditions, it can transmit reliable video signals over 600 Meter, making it ideal for UAV reconnaissance, drone inspections, and mobile broadcasting in complex terrains.
The transmitter features AES-128-Verschlüsselung for secure video transmission, ensuring private and confidential data protection during critical operations. Mit geringe Latenz (<300 Frau), COFDM-T903T delivers real-time monitoring and control, making it suitable for emergency response, Live-Übertragung, and industrial inspection applications.
Key Advantages
- Erweiterte Übertragungsreichweite
- Sichtlinie (LOS) Übertragung: über 15 km in air-to-ground scenarios, ideal for UAV and drone applications.
- Ground distance: exceeds 1 km for LOS applications.
- Keine Sichtverbindung (NLOS) Übertragung: bis zu 600 Meter, thanks to strong diffraction capabilities of COFDM technology.
- High Definition and Real-Time Video
- Unterstützt 1080P HDMI video input for high-quality imagery.
- Frame rates from 24 Zu 60 fps ensure smooth motion capture, suitable for drone surveillance and live events.
- Low-latency transmission of less than 300 milliseconds for real-time monitoring and command.
- Kompakt, Leicht, and Rugged
- Maße: 118 × 66 × 22 Millimeter; Gewicht: 180G.
- Small form factor designed specifically for UAVs, Drohnen, und mobile Plattformen.
- Rugged construction ensures reliability under vibration and shock during airborne or mobile operation.
- Robust Anti-Jamming and NLOS Capability
- COFDM modulation offers superior resistance to multipath interference and signal fading.
- Excellent NLOS diffraction allows stable video even when direct line-of-sight is obstructed.
- Flexible Frequency Range and Bandwidth
- Arbeitsfrequenz: 300 MHz – 1000 MHz, customizable according to user requirements.
- Kanalbandbreite: 2/4/6/7/8 MHz to adapt to different transmission environments and regulatory standards.
- Adjustable RF Output and Encryption
- HF-Ausgangsleistung: ≤28 dBm (1–5W), configurable to suit transmission distance requirements.
- AES-128 encryption ensures secure video transmission and prevents unauthorized access.
- Professional Video Processing
- High-quality video coding using H.264 and MPEG-2 standards, providing efficient compression without compromising image clarity.
- Bitstream: 2–16 Mbps to balance bandwidth usage and video quality.
- FEC (Vorwärtsfehlerkorrektur) ratios: 1/2, 2/3, 3/4, 5/6, 7/8, improving transmission reliability.
- Guard intervals: 1/32, 1/16, 1/8, 1/4 to reduce inter-symbol interference during high-speed transmission.
- Power and Connectivity
- Operates on DC 10–15V power supply, geeignet für UAVs, Drohnen, Fahrzeuge, and portable applications.
- HDMI input interface supports high-definition video and audio, ready for GoPro or other HD cameras.
Technische Spezifikationen
| Parameter | Spezifikation |
|---|---|
| Arbeitsfrequenz | 300 MHz – 1000 MHz (anpassbar) |
| HF-Ausgangsleistung | ≤28 dBm (1–5W adjustable) |
| Kanalbandbreite | 2/4/6/7/8 MHz |
| Vorwärtsfehlerkorrektur | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Schutzintervall | 1/32, 1/16, 1/8, 1/4 |
| Bit Stream | 2 Mbit/s – 16 Mbps |
| Übertragungsverzögerung | ≤300 ms |
| Bitfehlerrate (BER) | ≤10^-6 |
| Übertragungsentfernung | LOS: >15 km (Luft-Boden), >1 km (Boden), NLOS: >600 M |
| Videoeingang | HDMI 1080P |
| Verschlüsselung | AES-128 |
| Image Resolution | 1920 × 1080 P |
| Bildrate | 24/25/30/48/50/60 fps |
| Stromversorgung | DC 10–15 V |
| Maße | 118 × 66 × 22 Millimeter |
| Gewicht | 180 G |
Anwendungen
Das COFDM-T903T is suitable for a wide array of professional applications where high-quality, low-latency wireless video transmission is required:
- UAV/Drone Aerial Transmission
- Perfect for UAV reconnaissance, Luftaufnahmen, Vermessung, Abbildung, and agricultural monitoring.
- Long-range transmission supports both LOS and NLOS operations in complex terrains.
- Mobile and Vehicle-Based Video Transmission
- Compatible with mobile news broadcasting vehicles, live event coverage, und mobile Kommandozentralen.
- Small size and lightweight design allow integration into compact setups.
- Öffentliche Sicherheit und Schutz
- Ideal for law enforcement, fire services, Notfallreaktion, and border security.
- Secure AES-128 encryption ensures that sensitive operations remain confidential.
- Industrie- und Infrastrukturüberwachung
- Monitoring pipelines, Baustellen, Kraftwerke, and industrial plants.
- Supports remote, real-time HD video feeds for operational efficiency and safety.
- Event Broadcasting and Live Production
- Provides real-time transmission for sports, Konzerte, und Outdoor-Events.
- HDMI compatibility ensures seamless integration with professional cameras and production equipment.
Packaging List
- COFDM-T903T Transmitter: 1 Einheit
- Empfänger: 1 Einheit
- Transmitter Power Cable: 1 piece
- Senderantenne: 1 piece
- Empfängerantenne: 2 Stücke
- RF Extended Cable: 2 Stücke
Optional Features and Customization
- Frequenzanpassung: Working frequency can be extended beyond 1000 MHz für spezielle Anwendungen.
- Higher RF Output: Customizable RF power above 5W for extended transmission ranges.
- SDI Input Support: Additional video interface (3G-SDI) for professional broadcast cameras.
- Extended Receiver Options: Multiple types of receivers (HDMI screens, USB/MID mobile devices, WiFi receivers) can be paired simultaneously.
- Advanced Encryption: AES-256 or custom encryption for sensitive operations.
- Vehicle and UAV Adaptations: Custom power connectors, vibration-resistant mountings, or compact integration kits.
- Firmware-Upgrades: Receiver and transmitter firmware can be updated for enhanced functionality and future-proofing.
Abschluss
Das COFDM-T903T HDMI COFDM Wireless Transmitter ist ein vielseitig, high-performance, and professional-grade solution for HD video transmission in UAVs, mobile broadcasting, öffentliche Sicherheit, Industrieüberwachung, and live events. Es ist long-range transmission capability, NLOS support, und geringe Latenz (<300 Frau) make it particularly suitable for real-time operations where performance and reliability are critical.
Combining kompakte Größe, Leichtbauweise, HDMI compatibility, AES-Verschlüsselung, and COFDM modulation, the COFDM-T903T ensures crisp, klar, and stable HD video transmission even in complex or challenging RF environments. Es ist anpassbare Optionen allow professional operators to adapt the system to specialized applications, from drone aerial reconnaissance to secure mobile video broadcasting.
This transmitter is an essential tool for professionals who require zuverlässig, real-time HD video mit superior interference resistance, high-definition clarity, and secure operation. Whether deployed in the air, on vehicles, or in temporary field setups, the COFDM-T903T provides the performance, Flexibilität, and reliability needed for modern wireless video applications.

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