COFDM'nin video vericisi nasıl satın alınır?

COFDM uzun menzilli video vericisi nasıl satın alınır?

Genel Bakış

The COFDM Wireless Video Transmitter and Receiver System yüksek performanslıdır, long-range video transmission solution specifically designed for İHA'lar, dronlar, mobil araçlar, yayın, and professional field applications. Kullanma Kodlanmış Ortogonal Frekans Bölmeli Çoğullama (COFDM) teknoloji, this system provides stabil, real-time high-definition (HD) video and audio transmission over long distances, even in challenging görüş hattı olmayan (NLOS) ortamlar.

With support for multiple video input formats including HDMI, SDI, and CVBS composite video, the system is versatile and compatible with a wide range of cameras, kameralar, and drones. Coupled with high-quality H.264/MPEG-2 compression, the COFDM system ensures clear, smooth images with accurate color reproduction, minimal artifacts, ve ultra düşük gecikme suitable for live monitoring, UAV reconnaissance, endüstriyel denetimler, ve yayın.

This system is ideal for professional users seeking güvenli, güvenilir, and configurable wireless video links. The transmitter and receiver can be customized to specific frequency ranges, transmission distances, and power requirements, sağlamak regulatory compliance and optimized performance for each project.

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Ana Özellikler

1. High-Definition Real-Time Video Transmission
   • HDMI input supports cameras like GoPro, DSLR'ler, and professional camcorders.
   • Full HD 1080P and 720P composite CVBS video input supported.
   • H.264/MPEG-2 encoding ensures minimal bandwidth usage without sacrificing image quality.
2. Gelişmiş COFDM Modülasyonu
   • COFDM ensures robust performance in multipath, yüksek hızlı, and interference-prone environments.
   • Modulation types: QPSK, 16QAM, 64QAM.
   • Kararlılık sağlar NLOS iletimi with strong diffraction and low interference.
3. Uzun Menzilli İletim
   • Görüş hattı (LOS) distances exceed 15 km, while ground and NLOS distances typically range from 600 meters to 10 km, depending on antenna configuration and environment.
   • Optional high-gain antennas extend the range further for professional deployments.
4. Ultra Düşük Gecikme
   • Transmission delay typically under 300–500ms, sağlamak real-time feedback for drone operations, canlı etkinlikler, or critical monitoring tasks.
5. Flexible Frequency and Power Options
   • Default frequencies for COFDM-904T: 503 MHz, 509 MHz, 515 MHz, 521 MHz. Custom frequencies from 170 MHz'den 900 MHz or up to 1 GHz are available.
   • Adjustable RF output power from 1W to 5W depending on required transmission distance.
   • Wide bandwidth options: 2 MHz, 4 MHz, 6 MHz, 7 MHz, 8 MHz.
6. Compact and Rugged Design
   • Transmitter size: 20 × 10 × 5 mm (customizable for different models).
   • Lightweight and portable, ideal for UAVs, dronlar, and mobile setups.
   • Shock-resistant and vibration-proof for harsh operational environments.
7. Multi-Receiver Support
   • A single transmitter can stream to multiple receivers operating at different frequencies.
   • Receivers compatible include COFDM-221R, COFDM-902T, COFDM-904T, supporting Android, iOS, or portable monitors.
8. Security and Encryption
   • AES 128-bit encryption ensures secure, private transmission.
   • Optional user password protection for authorized access only.
9. Battery and Power Options
   • Transmitters can be powered via internal batteries (where applicable) or external DC input.
   • Receivers support DC 5V–36V input for vehicle-mounted or portable operation.
10. Kullanıcı Dostu Arayüz
    • Easy-to-use frequency selection via remote control.
    • Multiple output options on receivers, including HDMI, USB, and Wi-Fi for mobile device connectivity.

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Teknik Özellikler

Parametre	şartname
Modulation Type	COFDM (QPSK, 16QAM, 64QAM)
Video Sıkıştırma	H.264 / MPEG-2
Video girişi	HDMI, HD-SDI, CVBS kompoziti
RF Çıkış Gücü	1W (varsayılan), up to 5W optional
Çalışma Frekansı	170 MHz – 900 MHz (özelleştirilebilir), varsayılan 503 MHz
Bant genişliği	2 / 4 / 6 / 7 / 8 MHz
İletim Mesafe	LOS > 15 km, Zemin > 1 km, NLOS > 600 M
System Delay	≤300–500 ms
Bit Hata Oranı	≤10^-6
Video Çözünürlüğü	1080P / 60 fps; backward compatible 720P/480P
Şifreleme	AES128 (isteğe bağlı)
boyutlar (Teksas)	20 × 10 × 5 mm
Ağırlık (Teksas)	0.2 kilogram (modele bağlı olarak)
Güç kaynağı	DC 5V–36V

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Uygulamalar

1. Drone and UAV Video Transmission
   • Real-time HD video for aerial filming, araştırma, haritalama, or search-and-rescue.
   • NLOS capability ensures stable transmission in urban or forested environments.
2. Yayıncılık ve Medya Prodüksiyonu
   • Portable or vehicle-mounted live transmission for news reporting, spor, and events.
3. Endüstriyel İzleme
   • Remote monitoring of pipelines, şantiyeler, ve kritik altyapı.
4. Security and Emergency Response
   • Provides live video feeds for police, itfaiye, or disaster relief operations.
5. Mobile Applications
   • Vehicle-mounted or handheld units for temporary setups and field monitoring.

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İsteğe Bağlı Yapılandırmalar

• High-Gain Antennas: Extend range up to 20 km or more depending on terrain.
• Frequency Customization: Compliance with local regulations and optimal interference-free operation.
• Battery Upgrades: Extended battery life for mobile or UAV use.
• Multiple Receiver Support: Allows several receivers to operate simultaneously on different frequencies.
• OEM/ODM Solutions: Custom transmitter housing, sıklık, or interface tailored to project needs.

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Bu COFDM Wireless Transmitter and Receiver system offers a çok yönlü, high-performance solution for professionals who require uzun menzilli, real-time HD video transmission with secure and reliable operation. Whether used in UAV applications, mobil gözetim, or broadcasting, this system provides düşük gecikme, high-quality imaging, ve esnek dağıtım seçenekleri to meet the most demanding requirements.