COFDM wireless receiver
COFDM wireless receiver with Long distance transmission distance
Daftar isi
Keuntungan sistem
- 1. Jarak transmisi jarak jauh
- 2. Sistem transmisi waktu nyata
- 3. Delay time is very short less than 500ms
- 4. Kualitas gambar sempurna, warna-warna cerah dan penghalusan gambar
Fitur
- 1. Daya transmisi 1W
- 2. Perumahan yang sangat ringan dan kokoh
- 3. getaran, resistensi dampak
- 4. Penerapan modulasi COFDM, MPEG-2 / Kompresi H.264
- 5. Ukuran kecil, 102 hanya × 60 × 21.5 mm
- 6. Aplikasi seluler yang sempurna
- 7. Transmisi video berkualitas tinggi, tidak ada mosaik, no drag phenomenon
- 8. Support non-line-of-sight transmission, kemampuan difraksi yang kuat;
Parameter Teknis
- Jenis modulasi ： COFDM QPSK (4QAM), 16QAM, 64QAM
- Operating frequency : 300-900 MHz; (dapat disesuaikan per 1M)
- Penguatan antena ： 2.15dBi
- Kirim kekuatan ： 30dBm (dapat disesuaikan)
- RF bandwidth： 1.25 / 2.5 / 6/7/8 MHz (opsional)
- FEC (koreksi kesalahan ke depan) ：1/2 2/3 3/4 7/8
- Interval perlindungan ： 1/4, 1/8, 1/16, 1/32
- Kompresi Video MPEG-2, H.264 : ( video input of friends, NTSC)
- Metode Enkripsi ：128 – Sedikit AES (Dapat Mengatur Kata Sandi Pengguna)
- Tegangan operasi ：DC12V
- Suhu pengoperasian ： -10 ~ 70 ℃
- Ukuran ： 102 * 60 * 21.5 (mm) (antena tidak termasuk)
- Berat ：170G (antena tidak termasuk)
Jarak transmisi ： 100 tinggi meter, 5-7 m distance
Galeri
Ringkasan
Itu COFDM Wireless Receiver adalah kinerja tinggi, professional-grade solution designed for real-time wireless video and audio reception dalam jarak jauh. Utilizing COFDM (Multiplexing Divisi Frekuensi Ortogonal Berkode) teknologi, this receiver delivers exceptional stability, ketahanan, and resistance to multipath interference, making it ideal for challenging environments where traditional analog or digital transmission methods may fail.
Engineered for mobile, pesawat tak berawak, dengung, and field deployment, the receiver combines ukuran kompak, konstruksi ringan, and advanced digital signal processing. Measuring just 102 × 60 × 21.5 mm and weighing 170 g (excluding antenna), it is extremely portable, making it suitable for on-the-go operations, penggunaan genggam, vehicle installations, or integration into mobile command centers.
This receiver supports high-quality video with bright colors, gerakan halus, and minimal latency, maintaining frame-to-frame clarity even under non-line-of-sight (NLOS) kondisi. With a transmission delay of less than 500 milidetik, it ensures near real-time monitoring for security, inspeksi industri, penyiaran, 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. Dia adjustable frequency range (300–900MHz) allows for deployment in various regions and frequency bands, ketika Enkripsi AES-128 ensures secure transmission for sensitive operations.
Keuntungan Sistem
- Transmisi Jarak Jauh
- Achieves reliable reception over extended distances for both line-of-sight (KEHILANGAN) dan tidak saling berhadapan (NLOS) skenario.
- 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 MS) ensures real-time video monitoring, critical for UAV operation, remote surveillance, dan tanggap darurat.
- Superior Image Quality
- Supports high-definition video reception with bright, warna-warna cerah and smooth motion playback.
- Eliminates common artifacts such as mosaic, seret, or tearing.
- Robust Design for Field Use
- Ringan, kasar, 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) Pertunjukan
- Strong diffraction and multipath interference handling capability ensures video reception even when direct line-of-sight is obstructed by buildings, pohon, atau medan.
Key Features
- Daya Transmisi RF: Adjustable up to 30 dBm, 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.
- Opsi Bandwidth: Selectable RF bandwidths of 1.25 MHz, 2.5 MHz, 6 MHz, 7 MHz, dan 8 MHz to accommodate different channel requirements.
- Koreksi Kesalahan Teruskan (FEC): Rasio yang dapat dikonfigurasi 1/2, 2/3, 3/4, dan 7/8 to enhance data integrity during high-speed transmissions.
- Protection Intervals: Configurable guard intervals of 1/4, 1/8, 1/16, dan 1/32 to minimize inter-symbol interference in high-multipath environments.
- Penguraian Video: Mendukung MPEG-2 and H.264, ensuring compatibility with a wide range of COFDM transmitters.
- enkripsi: AES-128 bit encryption with a user-defined password for secure transmission of sensitive video feeds.
- Tegangan Operasi: DC 12V for field and vehicle deployment.
- Operating Temperature Range: -10 °C sampai +70 °C for reliable operation in extreme environmental conditions.
- Dimensi Kompak: 102 × 60 × 21.5 mm (excluding antenna) for portability.
- Berat: Lightweight at 170 g for easy handling and UAV integration.
- Penguatan Antena: 2.15 dBi, suitable for mobile and UAV-based reception setups.
Technical Specifications
| Parameter | Spesifikasi |
|---|---|
| Tipe Modulasi | COFDM (QPSK / 16QAM / 64QAM) |
| Frekuensi Operasi | 300–900MHz (dapat disesuaikan per 1 MHz) |
| Penguatan Antena | 2.15 dBi |
| RF Output Power | 30 dBm (dapat disesuaikan) |
| Bandwidth RF | 1.25 / 2.5 / 6 / 7 / 8 MHz (opsional) |
| Koreksi Kesalahan Teruskan (FEC) | 1/2, 2/3, 3/4, 7/8 |
| Interval Perlindungan | 1/4, 1/8, 1/16, 1/32 |
| Kompresi Video | MPEG-2, H.264 |
| enkripsi | AES-128 (user-configurable password) |
| Tegangan Operasi | DC 12V |
| Suhu Operasional | -10 °C sampai +70 °C |
| Ukuran | 102 × 60 × 21.5 mm (antena tidak termasuk) |
| Berat | 170 g (antena tidak termasuk) |
| transmisi Jarak | KEHILANGAN: >1 km; NLOS: >600 M (dependent on environment) |
Aplikasi
The COFDM Wireless Receiver is highly versatile and applicable in a wide range of professional scenarios:
- pesawat tak berawak / Operasi Drone
- Receives HD video from airborne transmitters for surveillance, pengintaian, pemetaan, inspeksi, 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, mobil polisi, or mobile command vehicles.
- Supports DC 12V supply and compact installation for on-the-move operations.
- Public Safety and Security
- Cocok untuk penegakan hukum, pemadam kebakaran, patroli perbatasan, and emergency response teams.
- Provides secure and real-time video feeds during critical operations.
- Industrial Inspection and Monitoring
- Monitors industrial sites, saluran pipa, pembangkit listrik, and remote facilities.
- High-quality video reception aids in fault detection, safety monitoring, and operational management.
- Penyiaran dan Liputan Acara Langsung
- Receives live feeds for events, olahraga, konser, and outdoor broadcasting.
- Menyediakan waktu nyata, HD-quality video for seamless integration into production systems.
- Research and Education
- Ideal for scientific experiments, field research, and educational applications requiring real-time video data transmission.
Fitur Opsional dan Penyesuaian
- 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.
- Opsi Antena: 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.
Kesimpulan
Itu COFDM Wireless Receiver adalah a kelas profesional, serbaguna, dan solusi yang dapat diandalkan for HD video reception in UAV, seluler, industri, keamanan, and broadcasting applications. Kombinasi dari teknologi COFDM, latensi rendah, kemampuan NLOS, and encryption ensures secure, waktu nyata, high-quality video reception in complex and challenging environments.
Kompak, ringan, dan kasar, this receiver is designed for both portability and durability, membuatnya cocok untuk field, mengudara, and vehicle-based deployments. With flexible frekuensi, lebar pita, dan opsi enkripsi, it can be tailored to meet specific operational needs and regulatory requirements.
Whether used in pengawasan udara, tanggap darurat, pemantauan industri, or live broadcasting, the COFDM Wireless Receiver delivers mulus, dapat diandalkan, 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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