COFDM Receiver for Android
COFDM Receiver for Android with Wireless video and audio transmission system
विषयसूची
System advantages
- Long distance transmission distance
- Real-time transmission system
- Delay time is very short — less than 500ms
- उत्तम छवि गुणवत्ता, bright colors and image smoothing
विशेषताएं
- Transmission power 1W
- बेहद हल्का और मजबूत आवास
- vibration, संघात प्रतिरोध,
- Application of COFDM modulation, एमपीईजी -2 / H.264 संपीड़न
- छोटे आकार का, 102 only × 60 × 21.5 मिमी
- Perfect mobile application
- Video transmission of high quality
तकनीकी मापदंड
- मॉड्यूलेशन प्रकार: सीओएफडीएम क्यूपीएसके (4QAM), 16QAM, 64QAM
- परिचालन आवृत्ति: 300-900 मेगाहर्ट्ज; (adjustable per 1M)
- The antenna gain: 2.15डीबीआई
- Send power: 30dBm (एडजस्टेबल)
- आरएफ बैंडविड्थ: 1.25 / 2.5 / 6/7/8 मेगाहर्ट्ज (ऐच्छिक)
- FEC (अग्रेषित त्रुटि सुधार): 1/2 2/3 3/4 7/8
- सुरक्षा अंतराल: 1/4, 1/8, 1/16, 1/32
- एन्क्रिप्शन विधि : 128 – बिट एईएस (Can Set User Password)
- ऑपरेटिंग वोल्टेज : DC12V
- परिचालन तापमान ： -10 ~ 70 ℃
- आयाम : 102 * 60 * 21.5 (मिमी)
- वजन: 170जी (antenna not included)
- संचरण दूरी ：100 meters high, 5-7 किमी दूरी
परिचय
This product is a new type of wireless video device. Using the latest COFDM modulation and MPEG-2 video compression technology, it is able to complete video transmission in high-speed sports and NLOS (दृष्टि की गैर-रेखा) स्थितियाँ. The diversity reception technique greatly improves the quality of all reception conditions.
सिंहावलोकन
NS COFDM Receiver for Android is an advanced, high-performance wireless receiver designed for seamless HD video and audio transmission to Android devices. Utilizing the latest कोडित ऑर्थोगोनल फ्रीक्वेंसी डिवीजन मल्टीप्लेक्सिंग (COFDM) modulation technology combined with MPEG-2 and H.264 video compression, this receiver ensures उच्च गुणवत्ता, वास्तविक समय वीडियो स्ट्रीमिंग चुनौतीपूर्ण वातावरण में भी.
सघन, लाइटवेट, and rugged, the device measures 102 × 60 × 21.5 मिमी and weighs just 170 ग्राम (antenna not included), इसे आदर्श बनाना mobile deployment, UAV integration, vehicle-based monitoring, and field operations. इसके छोटे रूप कारक के बावजूद, the COFDM Receiver delivers robust signal reception, long-range coverage, and excellent resistance to interference from multipath reflections, obstructions, and high-speed movement.
With a transmission delay of less than 500 मिलीसेकंड, the receiver provides near-instantaneous video feedback, के लिए उपयुक्त बनाना real-time monitoring, drone navigation, आपातकालीन प्रतिक्रिया, and live event broadcasting. इसका high-quality video output features bright, accurate colors, smooth motion, and minimal artifacts, ensuring a professional-grade visual experience on Android devices.
The receiver also incorporates AES-128 encryption to secure transmitted content, protecting sensitive information during surveillance, सुरक्षा, or industrial monitoring tasks. इसका flexible frequency range (300-900 मेगाहर्ट्ज) and adjustable RF bandwidth allow for seamless integration with various COFDM transmitters and operational environments.
System Advantages
- लंबी दूरी का ट्रांसमिशन
- Capable of receiving signals over 5–7 kilometers under optimal line-of-sight conditions.
- Supports non-line-of-sight (NLOS) संचालन, maintaining video quality even when obstacles obstruct the direct signal path.
- Real-Time Video Transmission
- Extremely low latency ensures instantaneous feedback, crucial for UAV operations, मोबाइल निगरानी, and live event coverage.
- उच्च गुणवत्ता वाला वीडियो
- Maintains sharp, vibrant, and smooth images at all times.
- Eliminates common video artifacts such as pixelation, dragging, and mosaic effects, even in high-speed or interference-prone environments.
- ऊबड़-खाबड़, Mobile-Ready Design
- Lightweight and compact, making it ideal for mobile, हाथ में, or vehicle-based deployment.
- Shock and vibration-resistant, suitable for UAV, ऑटोमोटिव, and field operations.
- NLOS (गैर-लाइन के- दृष्टि) प्रदर्शन
- Strong diffraction and multipath handling capabilities allow reliable reception in complex urban or natural environments.
- Enhanced Diversity Reception
- COFDM’s diversity reception ensures stable and consistent video quality under varying environmental conditions.
प्रमुख विशेषताऐं
- ट्रांसमिशन पावर: 1डब्ल्यू, with adjustable RF output up to 30 dBm, providing flexibility for different operational distances.
- सीओएफडीएम मॉड्यूलेशन: Supports QPSK (4QAM), 16QAM, and 64QAM for optimized data rate, स्थिरता, and interference resistance.
- वीडियो संपीड़न: MPEG-2 and H.264 for efficient high-definition decoding on Android devices.
- Adjustable RF Bandwidth: Options include 1.25, 2.5, 6, 7, या 8 MHz to match operational and regulatory requirements.
- अग्रेषित त्रुटि सुधार (FEC): Configurable ratios of 1/2, 2/3, 3/4, और 7/8 for superior error resilience.
- सुरक्षा अंतराल: Guard intervals of 1/4, 1/8, 1/16, या 1/32 for mitigating multipath interference.
- AES-128 Encryption: Optional user-defined password for secure and private video transmission.
- Compact Dimensions: 102 × 60 × 21.5 मिमी, enabling easy integration into UAVs, वाहनों, or handheld setups.
- लाइटवेट: 170 जी, designed for mobile applications without adding operational load.
- ऑपरेटिंग वोल्टेज: DC 12V compatible with UAV systems, वाहनों, and portable battery packs.
- परिचालन तापमान: -10डिग्री सेल्सियस से +70 डिग्री सेल्सियस, allowing deployment in harsh outdoor conditions.
- एंटीना लाभ: 2.15 डीबीआई, optimized for mobile and aerial reception.
- ट्रांसमिशन दूरी: Capable of 5–7 km in typical outdoor conditions; range may vary depending on terrain, बाधाएं, and transmitter power.
तकनीकी मापदंड
| पैरामीटर | विशिष्टता |
|---|---|
| मॉडुलन प्रकार | COFDM (QPSK / 16QAM / 64QAM) |
| परिचालन आवृत्ति | 300-900 मेगाहर्ट्ज (adjustable per 1 मेगाहर्ट्ज) |
| एंटीना लाभ | 2.15 डीबीआई |
| आरएफ आउटपुट पावर | 30 dBm (एडजस्टेबल) |
| आरएफ बैंडविड्थ | 1.25 / 2.5 / 6 / 7 / 8 मेगाहर्ट्ज (ऐच्छिक) |
| अग्रेषित त्रुटि सुधार (FEC) | 1/2, 2/3, 3/4, 7/8 |
| सुरक्षा अंतराल | 1/4, 1/8, 1/16, 1/32 |
| वीडियो संपीड़न | एमपीईजी -2, 264 |
| एन्क्रिप्शन | AES-128 (user-configurable) |
| ऑपरेटिंग वोल्टेज | डीसी 12वी |
| परिचालन तापमान | -10डिग्री सेल्सियस से +70 डिग्री सेल्सियस |
| आयाम | 102 × 60 × 21.5 मिमी (antenna not included) |
| वजन | 170 जी (antenna not included) |
| ट्रांसमिशन दूरी | लॉस: 5–7 km; NLOS: variable depending on environment |
अनुप्रयोगों
The COFDM Receiver for Android is highly versatile and can be deployed across a wide array of industries and operational scenarios:
- UAV and Drone Operations
- Supports high-definition video reception for drone reconnaissance, aerial photography, निरीक्षण, and mapping.
- Maintains stable NLOS performance, ensuring uninterrupted video feeds in urban, forested, or complex terrains.
- मोबाइल निगरानी
- Ideal for integration into mobile command vehicles, पुलिस की गाड़ियाँ, security vans, और आपातकालीन प्रतिक्रिया इकाइयाँ.
- Supports DC 12V input and compact form factor for easy installation and portability.
- सुरक्षा और कानून प्रवर्तन
- Provides reliable, real-time video feeds for security monitoring, सीमा गश्त, अग्निशमन, and emergency operations.
- AES-128 encryption protects sensitive video from unauthorized access.
- Industrial and Infrastructure Monitoring
- Enables remote monitoring of pipelines, बिजली की स्टेशनों, industrial facilities, and critical infrastructure.
- High-definition video supports early fault detection, operational oversight, and process optimization.
- Broadcasting and Live Event Coverage
- Receives HD feeds from COFDM transmitters for professional media, news, sports, and outdoor events.
- Real-time streaming with minimal latency ensures smooth live coverage.
- Research and Field Studies
- Supports scientific research, वन्य जीवन निगरानी, and field observation where real-time video is critical.
- Compact and portable design facilitates field deployment in remote locations.
Optional Features and Customizations
- Extended Frequency Bands: Customizable frequency ranges beyond 900 MHz for specialized applications.
- High-Power Receiver Options: Enhanced RF sensitivity and power for extended range reception.
- External Antennas: High-gain directional or omnidirectional antennas for improved signal quality.
- Enhanced Encryption: AES-256 or proprietary encryption solutions for higher security requirements.
- Firmware Updates: USB-upgradable firmware ensures compatibility with new COFDM transmitters and features.
- Waterproof/Rugged Enclosures: Optional IP-rated enclosures for operation in rain, धूल, or industrial environments.
- Multiple Receiver Pairing: Supports simultaneous reception from multiple COFDM transmitters, ideal for multi-camera setups.
निष्कर्ष
NS COFDM Receiver for Android एक है cutting-edge wireless video and audio reception solution designed for professionals who require उच्च गुणवत्ता, वास्तविक समय वीडियो in demanding environments. Leveraging सीओएफडीएम मॉड्यूलेशन, advanced error correction, and H.264/MPEG-2 decoding, it delivers स्पष्ट, smooth, and low-latency video, even under high-speed movement or in NLOS conditions.
इसका कॉम्पैक्ट आकार, हल्का डिज़ाइन, and rugged construction make it highly portable for UAV, vehicle-based, and handheld deployment. With adjustable आवृत्ति, बैंडविड्थ, and encryption options, this receiver is adaptable for a wide range of operational needs and regulatory requirements.
Whether deployed for यूएवी निगरानी, मोबाइल कमांड सेंटर, आपातकालीन प्रतिक्रिया, औद्योगिक निगरानी, or live event broadcasting, the COFDM Receiver for Android ensures सुरक्षित, भरोसेमंद, and professional-grade video reception, making it an essential tool for modern wireless video operations.
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