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| Transmitter 904T | Transmitter 902T | Transmitter 903T |
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| In-Car Receiver | 7 inch Receiver | WiFi-TV300 |
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| Android Receiver | HDMI Receiver | Transmitter 907T |
| Transmitter Antenna |
Achieve uninterrupted HD video streaming in any environment—urban, remote, or high-speed mobility—with our COFDM transmitter!
A COFDM transmitter (Coded Orthogonal Frequency Division Multiplexing transmitter) is a wireless communication device used to transmit video, audio, and data signals over long distances with high stability and resistance to interference. It is widely used in broadcasting, military, UAVs (drones), surveillance, and public safety applications.
📡 How COFDM Works:
COFDM divides the signal into multiple smaller subcarriers, which are transmitted simultaneously over different frequencies. These subcarriers are encoded with error correction, making the signal highly resistant to multipath interference, signal fading, and obstructions.
🔥 Key Features of a COFDM Transmitter:
✔ Long-Range Transmission – Can transmit over several kilometers, depending on power output and antenna configuration.
✔ Non-Line-of-Sight (NLOS) Capabilities – Works well in urban environments with obstacles like buildings and trees.
✔ High Mobility Performance – Provides stable video even when used on moving vehicles, drones, or helicopters.
✔ High-Quality Video Transmission – Supports HD and 4K video streaming with compression formats like H.264/H.265.
✔ Low Latency – Critical for real-time applications such as live broadcasting and remote control of drones.
✔ Encryption & Security – Many COFDM transmitters offer AES 128/256-bit encryption for secure video transmission.
📌 Applications of COFDM Transmitters:
🚁 UAV/Drone Video Transmission – Provides long-range, high-quality video for surveillance and FPV.
🚔 Law Enforcement & Military – Used for covert surveillance, border patrol, and tactical operations.
📺 Broadcasting & Live Streaming – Used for live news feeds, sports events, and remote production.
🚙 Vehicle-Mounted Systems – Enables real-time video transmission from moving police cars or ambulances.
🏭 Industrial & Security Monitoring – Used for remote inspections, oil rigs, power plants, and perimeter security.
🎯 Why Choose COFDM Over Other Transmission Methods?
| Feature | COFDM | Analog | Standard Digital (OFDM) |
|---|---|---|---|
| Signal Stability | ✅ High | ❌ Low | ⚠ Moderate |
| NLOS Transmission | ✅ Yes | ❌ No | ⚠ Limited |
| Resistance to Interference | ✅ Strong | ❌ Weak | ⚠ Moderate |
| Video Quality | ✅ HD & 4K | ❌ SD only | ✅ HD |
| Latency | ⚠ Low (~50-300ms) | ✅ Very Low | ⚠ Varies |
| Encryption | ✅ Secure | ❌ Not Secure | ✅ Secure |
🚀 Do You Need a COFDM Transmitter?
If you need long-range, stable, and interference-resistant video transmission, COFDM is a great choice!
