COFDM wireless receiver
COFDM wireless receiver with Long distance transmission distance
目次
System advantages
- 1. Long distance transmission distance
- 2. Real-time transmission system
- 3. Delay time is very short less than 500ms
- 4. 完璧な画質, bright colors and image smoothing
特徴
- 1. 送信電力1W
- 2. Extremely lightweight and rugged housing
- 3. 振動, 耐衝撃性
- 4. Application of COFDM modulation, MPEG-2 / H.264圧縮
- 5. 小型, 102 only × 60 × 21.5 ミリ
- 6. Perfect mobile application
- 7. Video transmission of high quality, モザイクなし, no drag phenomenon
- 8. Support non-line-of-sight transmission, 強い回折能力;
技術的パラメータ
- 変調方式 ： COFDM QPSK (4QAM), 16QAM, 64QAM
- 動作周波数 : 300-900 メガヘルツ; (adjustable per 1M)
- The antenna gain ： 2.15dBi
- Send power ： 30dBmの (調整可能な)
- RF帯域幅： 1.25 / 2.5 / 6/7/8 メガヘルツ (オプション)
- FEC (前方誤り訂正) ：1/2 2/3 3/4 7/8
- Protection interval ： 1/4, 1/8, 1/16, 1/32
- ビデオ圧縮 MPEG-2, H.264 : ( video input of friends, NTSC)
- Encryption Method ：128 – ビットAES (Can Set User Password)
- 動作電圧 ：DC12V
- 動作温度 ： -10 ～ 70 ℃
- 大きさ ： 102 * 60 * 21.5 (ミリ) (antenna not included)
- 重量 ：170G (antenna not included)
伝送距離 ： 100 高さメートル, 5-7 m distance
ギャラリー
概要
ザ・ COFDM Wireless Receiver 高性能です, professional-grade solution designed for real-time wireless video and audio reception 長距離にわたって. Utilizing COFDM (コード化された直交周波数分割多重化) テクノロジー, this receiver delivers exceptional stability, robustness, and resistance to multipath interference, making it ideal for challenging environments where traditional analog or digital transmission methods may fail.
Engineered for mobile, UAV, ドローン, and field deployment, the receiver combines コンパクトなサイズ, 軽量構造, and advanced digital signal processing. Measuring just 102 × 60 × 21.5 mm and weighing 170 グラム (excluding antenna), it is extremely portable, making it suitable for on-the-go operations, handheld use, vehicle installations, or integration into mobile command centers.
This receiver supports high-quality video with bright colors, smooth motion, and minimal latency, maintaining frame-to-frame clarity even under non-line-of-sight (NLOS) 条件. With a transmission delay of less than 500 ミリ秒, it ensures near real-time monitoring for security, 工業検査, 放送, and UAV applications.
The COFDM wireless receiver is compatible with H.264 and MPEG-2 video compression standards, providing efficient video decoding without compromising resolution or smoothness. その adjustable frequency range (300–900MHz) allows for deployment in various regions and frequency bands, while AES-128暗号化 ensures secure transmission for sensitive operations.
System Advantages
- 長距離伝送
- Achieves reliable reception over extended distances for both line-of-sight (ロス) そして見通し外 (NLOS) シナリオ.
- High-gain antennas and adjustable RF output power contribute to stable reception even in complex terrain or urban environments.
- Real-Time Video Reception
- Extremely low latency (<500 ミズ) ensures real-time video monitoring, critical for UAV operation, remote surveillance, そして緊急対応.
- Superior Image Quality
- Supports high-definition video reception with bright, vibrant colors and smooth motion playback.
- Eliminates common artifacts such as mosaic, dragging, or tearing.
- Robust Design for Field Use
- 軽量, rugged, and impact-resistant housing suitable for mobile and aerial applications.
- Operates reliably in harsh environments, from hot summer conditions to sub-zero temperatures.
- Flexible Non-Line-of-Sight (NLOS) パフォーマンス
- Strong diffraction and multipath interference handling capability ensures video reception even when direct line-of-sight is obstructed by buildings, 木々, or terrain.
主な特長
- RF Transmission Power: Adjustable up to 30 dBmの, providing flexibility for long-range or short-range reception needs.
- Modulation Support: COFDM with QPSK (4QAM), 16QAM, and 64QAM for optimized video reception and interference resilience.
- 帯域幅オプション: Selectable RF bandwidths of 1.25 メガヘルツ, 2.5 メガヘルツ, 6 メガヘルツ, 7 メガヘルツ, そして 8 MHz to accommodate different channel requirements.
- 前方誤り訂正 (FEC): Configurable ratios of 1/2, 2/3, 3/4, そして 7/8 to enhance data integrity during high-speed transmissions.
- Protection Intervals: Configurable guard intervals of 1/4, 1/8, 1/16, そして 1/32 to minimize inter-symbol interference in high-multipath environments.
- ビデオのデコード: サポート MPEG-2 and H.264, ensuring compatibility with a wide range of COFDM transmitters.
- 暗号化: AES-128 bit encryption with a user-defined password for secure transmission of sensitive video feeds.
- 動作電圧: DC 12V for field and vehicle deployment.
- Operating Temperature Range: -10 °C to +70 °C for reliable operation in extreme environmental conditions.
- Compact Dimensions: 102 × 60 × 21.5 ミリ (excluding antenna) for portability.
- 重量: Lightweight at 170 g for easy handling and UAV integration.
- アンテナ利得: 2.15 dBi, suitable for mobile and UAV-based reception setups.
技術仕様
| パラメータ | 仕様 |
|---|---|
| 変調方式 | COFDM (QPSK / 16QAM / 64QAM) |
| 動作周波数 | 300–900MHz (adjustable per 1 メガヘルツ) |
| アンテナ利得 | 2.15 dBi |
| RF出力電力 | 30 dBmの (調整可能な) |
| RF帯域幅 | 1.25 / 2.5 / 6 / 7 / 8 メガヘルツ (オプション) |
| 前方誤り訂正 (FEC) | 1/2, 2/3, 3/4, 7/8 |
| 保護間隔 | 1/4, 1/8, 1/16, 1/32 |
| ビデオ圧縮 | MPEG-2, H.264 |
| 暗号化 | AES-128 (user-configurable password) |
| 動作電圧 | DC12V |
| 動作温度 | -10 °C to +70 ℃ |
| 大きさ | 102 × 60 × 21.5 ミリ (antenna not included) |
| 重量 | 170 グラム (antenna not included) |
| 伝送距離 | ロス: >1 キロ; NLOS: >600 メートル (dependent on environment) |
アプリケーション
The COFDM Wireless Receiver is highly versatile and applicable in a wide range of professional scenarios:
- UAV / ドローンの運用
- Receives HD video from airborne transmitters for surveillance, 偵察, マッピング, 検査, and live aerial broadcasting.
- NLOS reception capability ensures uninterrupted monitoring even when obstacles are present.
- Mobile and Vehicle-Based Monitoring
- Ideal for integration into news vans, police cars, or mobile command vehicles.
- Supports DC 12V supply and compact installation for on-the-move operations.
- Public Safety and Security
- 法執行機関に適しています, 消防, 国境警備, and emergency response teams.
- Provides secure and real-time video feeds during critical operations.
- 産業検査と監視
- Monitors industrial sites, パイプライン, 発電所, and remote facilities.
- High-quality video reception aids in fault detection, safety monitoring, and operational management.
- Broadcasting and Live Event Coverage
- Receives live feeds for events, スポーツ, コンサート, and outdoor broadcasting.
- リアルタイムを提供します, HD-quality video for seamless integration into production systems.
- 研究と教育
- Ideal for scientific experiments, field research, and educational applications requiring real-time video data transmission.
Optional Features and Customizations
- Frequency Band Expansion: Extend the operating frequency beyond 900 MHz for specialized industrial or government applications.
- Enhanced RF Power: Increase RF output above 30 dBm for longer reception distances.
- アンテナオプション: External high-gain antennas for improved reception in challenging terrains.
- Encryption Upgrades: AES-256 or advanced custom encryption for higher security requirements.
- Firmware Upgrades: USB-based firmware updates for new features and protocol compatibility.
- Custom Enclosure: Ruggedized housing or waterproof options for harsh environments.
- Receiver Pairing: Compatible with multiple COFDM transmitters simultaneously for multi-camera setups.
結論
ザ・ COFDM Wireless Receiver です プロレベルの, 多用途, and reliable solution for HD video reception in UAV, 携帯, 工業用, 安全, および放送アプリケーション. その組み合わせは、 COFDM技術, 低遅延, NLOS capability, and encryption ensures secure, リアルタイム, high-quality video reception in complex and challenging environments.
コンパクト, 軽量, and rugged, this receiver is designed for both portability and durability, に適したものにする field, 空中, and vehicle-based deployments. With flexible 頻度, 帯域幅, and encryption options, it can be tailored to meet specific operational needs and regulatory requirements.
Whether used in 航空監視, 緊急対応, 産業用監視, or live broadcasting, the COFDM Wireless Receiver delivers smooth, 信頼性のある, and high-definition video transmission, providing operators with the confidence and clarity needed for critical decision-making and professional-grade visual monitoring.
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