cofdm transmitter wireless video modulator

COFDM wireless video audio transmission system advantages

1. Long-range transmission distance
2. Real-time transmission systems
3. Delay time very short less than 500ms
4. Perfect image quality, brighter colors, and image smoothness. (we will support a video to demonstrate it if you sent an inquiry)

Product ویژگی ها:

1. Transmission power 1W
2. Extreme lightweight and rugged housing
3. Vibration and shock resistant
4. Applied COFDM modulation, MPEG-2 / فشرده سازی H.264
5. Small dimensions
6. Perfect for mobile applications
7. High quality of video transmission, no mosaic, no dragging phenomenon, stable power with adjustable dynamic power;
8. Support NLOS transmission, strong diffraction capability

cofdm transmitter wireless video modulator

cofdm transmitter wireless video modulator

cofdm transmitter wireless video modulator UAV micro HDMI NLOS module HD-SDI receiver

فرستنده cofdm

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If you are interested in this mode, لطفا تماس بگیرید us today.

بررسی اجمالی محصول

را COFDM Transmitter Wireless Video Modulator is a professional-grade digital video and audio transmission solution designed to meet the demands of modern broadcasting, شناسایی پهپاد, نظارت بر امنیت, and mobile communications. By adopting advanced COFDM (مولتی پلکسینگ تقسیم فرکانس متعامد کد شده) مدولاسیون and MPEG-2/H.264 video compression, this system delivers پایدار, زمان واقعی, and high-quality video transmission over long distances — even in غیر خط دید (NLOS) environments or under complex interference conditions.

Unlike conventional analog wireless systems or narrowband digital transmitters, this COFDM wireless solution maintains consistent performance in environments affected by multipath reflections, urban obstacles, or high-speed movement. It supports both HDMI and HD-SDI video inputs, making it versatile enough for professional cameras, محموله های پهپاد, or mobile broadcast setups. On the receiving side, multiple output interfaces such as HDMI, USB, and Wi-Fi ensure compatibility with Android/iOS devices, recording equipment, or live monitoring stations.

The system is available in ultra-compact PCB module versions for OEM integration into UAVs, handheld devices, or embedded platforms. With transmitter modules weighing less than 20g and receiver modules under 25g, the COFDM transmitter is ideally suited for applications where weight and space are critical factors. Despite its size, فراهم می کند >2 km transmission distance (standard ISM 900 باند مگاهرتز), latency as low as 30 ام‌اس, and outstanding resistance to interference.

This product line offers a full spectrum of deployment options — from lightweight UAV micro-modules to rugged housings for ground-based broadcasting. Whether for aerial video downlink, نظارت پنهان, mobile news gathering, or wireless event broadcasting, the COFDM Wireless Video Modulator provides the ideal balance of performance, قابلیت اطمینان, and mobility.

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Advantages of the COFDM Wireless Video Modulator

1. گیربکس دوربرد
   • Provides stable video links beyond 2 km in ISM 900 MHz band with low-power operation.
   • Optional extended-power models for even greater coverage.
2. Real-Time Transmission
   • End-to-end latency as low as 30 ام‌اس, ensuring smooth and timely video feeds.
   • Suitable for UAV piloting, live event broadcasting, and critical surveillance missions.
3. Low Delay Performance (<500 ms system)
   • Standard configurations provide latency under 500 ام‌اس, with optimized modules delivering ~30 ms.
   • This ensures real-time responsiveness in control and monitoring applications.
4. High-Quality Video Output
   • پشتیبانی می کند 720p and 1080p at 30 فریم در ثانیه, with sharp details, bright colors, و پخش روان.
   • No mosaic artifacts, no dragging effect, and consistent image clarity.
5. فشرده & طراحی سبک وزن
   • Ultra-small PCB modules as light as <20 g for transmitters and <13 g for receivers.
   • Rugged casings available for vibration, shock, and outdoor resistance.
6. Robust Against Multipath Interference
   • COFDM modulation ensures reliable video transmission in شهری, maritime, و کوهستانی محیط ها.
   • قوی عملکرد NLOS with superior diffraction capability.
7. Flexible Integration
   • Available as standalone systems with housings, or as embedded modules for UAV/OEM integration.
   • Multiple input/output interface options: HDMI, HD-SDI, USB, وای فای.
8. Scalable User Access
   • Supports multiple receivers simultaneously without user limitation.
   • Broadcast-style transmission for multiple operators monitoring the same feed.

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ویژگی های محصول

• قدرت انتقال: 1W standard, configurable options available.
• مسکن: ناهموار, ارتعاش- and shock-resistant casing; module-only versions for integration.
• رمزگذاری ویدیو: MPEG-2 / H.264 compression for efficient, high-quality streams.
• Video Formats: 720p @ 30fps, 1080p @ 30fps.
• Modulation: COFDM for stable NLOS performance.
• Lightweight PCB Modules:
  • Transmitter module: <20g
  • ماژول گیرنده: <25g
• Strong Anti-Interference: Resilient under multipath and diffraction conditions.
• Stable Power Control: Adjustable dynamic power to match environment and reduce noise.
• Low Latency: از 30 ام‌اس (optimized modules) تا <500 ام‌اس بسته به پیکربندی.
• فرکانس RF: ISM 900 باند مگاهرتز (902928 مگاهرتز).
• Channel Options: 4 selectable channels.
• OS Compatibility: Android and iOS (receiver app versions).
• Working Temperature Range: -10درجه سانتی گراد ~ 50+ درجه سانتی گراد.

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پارامترهای فنی

Key Items	TX (فرستنده)	RX (گیرنده)	Case1/Case2 Options
رابط ویدیویی	ورودی HDMI	USB Output / خروجی HDMI / وای فای	HDMI or SDI selectable
PCB Size	50 × 40 × 14 mm	105 × 80 × 11 mm / 50 × 35 × 11 mm	Compact integration modules
Weight	<20 g	<10 g – 25 g	<13 g receiver module
فرمت ویدئو	720p@30fps / 1080p@30fps	720p@30fps / 1080p@30fps	Smooth playback
رابط آنتن	Flexible SMA connector	Flexible SMA connector	Multiple antenna options
فرکانس RF	902–928 MHz ISM band	902–928 MHz ISM band	Customizable upon request
قدرت RF	23 dBm (قابل تنظیم)	Input Sensitivity: -93 dBm به -5 dBm	High-gain supported
پهنای باند	6 مگاهرتز	6 مگاهرتز	Optimized channel spacing
کانال ها	4 قابل انتخاب	4 قابل انتخاب	Supports multiple receivers
Transmission Distance	>2 km (LOS)	>2 km (LOS)	Extended distance optional
تأخیر	~30 ms	~30 ms	System delay <500 ام‌اس
سیستم عامل	-	اندروید / iOS supported	Receiver app control
Power Supply	5V <1.5A	5V @ <150mA – <600mA	Receiver supports 5–36V @ <5دبلیو
دمای کاری	-10درجه سانتی گراد ~ 50+ درجه سانتی گراد	-10درجه سانتی گراد ~ 50+ درجه سانتی گراد	Suitable for outdoor deployment

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سناریوهای کاربردی

The COFDM Transmitter Wireless Video Modulator is designed for professional-grade wireless video transmission across a wide range of fields:

1. پهپادها / هواپیماهای بدون سرنشین
   • Real-time downlink of HD video for aerial reconnaissance, نقشه برداری, و بازرسی.
   • Lightweight modules minimize payload weight for drones.
   • Essential for disaster relief, گشت مرزی, or environmental monitoring.
2. پخش می شود & رسانه ها
   • Wireless camera systems for outdoor life events, کنسرت ها, and sports.
   • Mobile news gathering vehicles transmit video without cables.
   • On-site production crews needing quick, untethered camera feeds.
3. ایمنی عمومی & امنیت
   • Law enforcement uses UAVs or portable cameras for crowd monitoring.
   • Firefighters relay live video from inside hazardous areas.
   • Border control and maritime surveillance operations.
4. نظامی & دفاع
   • Tactical reconnaissance systems for soldiers or vehicles.
   • امن, encrypted video streams for command centers.
   • Long-range NLOS video for battlefield awareness.
5. Industrial Applications
   • Remote video feeds for oil & gas pipelines, معادن, or offshore rigs.
   • Monitoring of large-scale construction or infrastructure projects.
   • Mobile inspection systems in logistics and transportation.

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تنظیمات اختیاری

• Module vs. Housed Versions
  • PCB module for UAV/OEM integration.
  • Rugged housed versions for handheld or outdoor applications.
• Interface Options
  • HDMI input standard; HD-SDI optional.
  • Receiver outputs: HDMI, OF, USB, وای فای.
• قدرت & Range Extensions
  • Standard ISM 900 عملکرد مگاهرتز.
  • Extended power amplifiers are available for longer distance transmission.
  • Custom frequency band versions available upon request.
• Multi-User Broadcast
  • One transmitter supports unlimited receivers.
  • Ideal for events and group monitoring.

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نتیجه گیری

را COFDM Transmitter Wireless Video Modulator represents a new generation of compact, سبک وزن, and professional-grade wireless video transmission systems. Built on advanced COFDM modulation and H.264 compression, it ensures با کیفیت بالا, ویدیوی زمان واقعی over long distances with low latency, strong anti-interference capability, and excellent NLOS performance.

From UAV payloads and mobile broadcasting to security, دفاع, and industrial inspection, this system delivers the ثبات, قابلیت اطمینان, and flexibility needed for mission-critical applications. With customizable frequency ranges, modular or rugged designs, and multiple input/output options, it can be tailored to meet the exact requirements of different industries and projects.

اگر به دنبال یک فشرده, قدرتمند, and versatile wireless video transmission solution, the COFDM Wireless Video Modulator is the ideal choice. Contact us today to learn more, request a demonstration, or discuss customization options.