COFDM Receiver for Android
COFDM Receiver for Android with Wireless video and audio transmission system
Table of Contents
System advantages
- Long distance transmission distance
- Real-time transmission system
- Delay time is very short — less than 500ms
- Perfect image quality, bright colors and image smoothing
Features
- Transmission power 1W
- Extremely lightweight and rugged housing
- vibration, impact resistance,
- Application of COFDM modulation, MPEG-2 / H.264 compression
- Small size, 102 only × 60 × 21.5 mm
- Perfect mobile application
- Video transmission of high quality
Technical Parameters
- Modulation type: COFDM QPSK (4QAM), 16QAM, 64QAM
- Operating frequency: 300-900 MHz; (adjustable per 1M)
- The antenna gain: 2.15dBi
- Send power: 30dBm (adjustable)
- RF bandwidth: 1.25 / 2.5 / 6/7/8 MHz (optional)
- FEC (forward error correction): 1/2 2/3 3/4 7/8
- Protection interval: 1/4, 1/8, 1/16, 1/32
- Encryption Method : 128 – Bit AES (Can Set User Password)
- Operating voltage : DC12V
- Operating temperature ： -10 ~ 70 ℃
- Dimensions : 102 * 60 * 21.5 (mm)
- Weight: 170G (antenna not included)
- Transmission distance ：100 meters high, 5-7 km distance
Introduction
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 (non-line of sight) conditions. The diversity reception technique greatly improves the quality of all reception conditions.
Overview
The 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 Coded Orthogonal Frequency Division Multiplexing (COFDM) modulation technology combined with MPEG-2 and H.264 video compression, this receiver ensures high-quality, real-time video streaming even in challenging environments.
Compact, lightweight, and rugged, the device measures 102 × 60 × 21.5 mm and weighs just 170 grams (antenna not included), making it ideal for mobile deployment, UAV integration, vehicle-based monitoring, and field operations. Despite its small form factor, 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 milliseconds, the receiver provides near-instantaneous video feedback, making it suitable for real-time monitoring, drone navigation, emergency response, and live event broadcasting. Its 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, security, or industrial monitoring tasks. Its flexible frequency range (300–900 MHz) and adjustable RF bandwidth allow for seamless integration with various COFDM transmitters and operational environments.
System Advantages
- Long-Distance Transmission
- Capable of receiving signals over 5–7 kilometers under optimal line-of-sight conditions.
- Supports non-line-of-sight (NLOS) operation, 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, mobile surveillance, and live event coverage.
- High-Quality Video
- 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.
- Rugged, Mobile-Ready Design
- Lightweight and compact, making it ideal for mobile, handheld, or vehicle-based deployment.
- Shock and vibration-resistant, suitable for UAV, automotive, and field operations.
- NLOS (Non-Line-of-Sight) Performance
- 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.
Key Features
- Transmission Power: 1W, with adjustable RF output up to 30 dBm, providing flexibility for different operational distances.
- COFDM Modulation: Supports QPSK (4QAM), 16QAM, and 64QAM for optimized data rate, stability, and interference resistance.
- Video Compression: MPEG-2 and H.264 for efficient high-definition decoding on Android devices.
- Adjustable RF Bandwidth: Options include 1.25, 2.5, 6, 7, or 8 MHz to match operational and regulatory requirements.
- Forward Error Correction (FEC): Configurable ratios of 1/2, 2/3, 3/4, and 7/8 for superior error resilience.
- Protection Interval: Guard intervals of 1/4, 1/8, 1/16, or 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 mm, enabling easy integration into UAVs, vehicles, or handheld setups.
- Lightweight: 170 g, designed for mobile applications without adding operational load.
- Operating Voltage: DC 12V compatible with UAV systems, vehicles, and portable battery packs.
- Operating Temperature: -10°C to +70°C, allowing deployment in harsh outdoor conditions.
- Antenna Gain: 2.15 dBi, optimized for mobile and aerial reception.
- Transmission Distance: Capable of 5–7 km in typical outdoor conditions; range may vary depending on terrain, obstacles, and transmitter power.
Technical Parameters
| Parameter | Specification |
|---|---|
| Modulation Type | COFDM (QPSK / 16QAM / 64QAM) |
| Operating Frequency | 300–900 MHz (adjustable per 1 MHz) |
| Antenna Gain | 2.15 dBi |
| RF Output Power | 30 dBm (adjustable) |
| RF Bandwidth | 1.25 / 2.5 / 6 / 7 / 8 MHz (optional) |
| Forward Error Correction (FEC) | 1/2, 2/3, 3/4, 7/8 |
| Protection Interval | 1/4, 1/8, 1/16, 1/32 |
| Video Compression | MPEG-2, H.264 |
| Encryption | AES-128 (user-configurable) |
| Operating Voltage | DC 12V |
| Operating Temperature | -10°C to +70°C |
| Dimensions | 102 × 60 × 21.5 mm (antenna not included) |
| Weight | 170 g (antenna not included) |
| Transmission Distance | LOS: 5–7 km; NLOS: variable depending on environment |
Applications
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, inspection, and mapping.
- Maintains stable NLOS performance, ensuring uninterrupted video feeds in urban, forested, or complex terrains.
- Mobile Surveillance
- Ideal for integration into mobile command vehicles, police cars, security vans, and emergency response units.
- Supports DC 12V input and compact form factor for easy installation and portability.
- Security and Law Enforcement
- Provides reliable, real-time video feeds for security monitoring, border patrol, firefighting, and emergency operations.
- AES-128 encryption protects sensitive video from unauthorized access.
- Industrial and Infrastructure Monitoring
- Enables remote monitoring of pipelines, power stations, 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, wildlife monitoring, 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, dust, or industrial environments.
- Multiple Receiver Pairing: Supports simultaneous reception from multiple COFDM transmitters, ideal for multi-camera setups.
Conclusion
The COFDM Receiver for Android is a cutting-edge wireless video and audio reception solution designed for professionals who require high-quality, real-time video in demanding environments. Leveraging COFDM modulation, advanced error correction, and H.264/MPEG-2 decoding, it delivers clear, smooth, and low-latency video, even under high-speed movement or in NLOS conditions.
Its compact size, lightweight design, and rugged construction make it highly portable for UAV, vehicle-based, and handheld deployment. With adjustable frequency, bandwidth, and encryption options, this receiver is adaptable for a wide range of operational needs and regulatory requirements.
Whether deployed for UAV surveillance, mobile command centers, emergency response, industrial monitoring, or live event broadcasting, the COFDM Receiver for Android ensures secure, reliable, and professional-grade video reception, making it an essential tool for modern wireless video operations.
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