COFDM Wifi Receiver

COFDM Wifi Receiver for Android IOS

 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.

Product Features

1.Transmission power 1W
2.Extreme lightweight and rugged housing
3.Vibration and shock resistant
4.Applied COFDM modulation, MPEG-2 / H.264 compression
5.Small dimensions, 102×60×21.5 mm only
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

Technical Parameters

 

Item	Description
Modulation Type	COFDM QPSK(4QAM), 16QAM, 64QAM
Working Frequency	300-900MHz;( per 1M adjustable)
Antenna Gain	2.15dBi
Transmission Power	30dBm(Adjustable)
RF Bandwidth	1.25/2.5/6/7/8MHz(optional)
FEC(forward error correction)	1/2 2/3 3/4 7/8
Guard Interval	1/4,1/8,1/16,1/32
Video Input	AV(PAL,NTSC)
Video Compression	MPEG-2,H.264
Parameter Control Method	Adjustable digital LED control panel, 4-core aviation head
RF Interface	SMA F head
Encryption Method	128 – bit AES (can set user’s password)
Working Voltage	DC12V
Working Current	Max 1.55A(@12V)
Working Temperature	-10~70℃
Dimensions	102*60*21.5 (mm)(antenna not included)
Weight	170g(antenna not included)
Transmission Distance	100meter high,5-7km distance

Introduction

This product is a new kind of video wireless video equipment that adopts the latest technologies of COFDM modulation and MPEG-2 video compression that can complete video
transmission in high-speed motion and NLOS (non line-of-sight) conditions. The diversity receiving technology greatly improves the receiving quality in all.

It has been widely used in many fields such as: Police Forces, First Responders, Security Services, Fire Services, Port Security, Homeland Security, Traffic Management, Police
Technical Support Units, Special Forces, Military Command and Control Posts, Airport, Border Control, Major Incident Support etc.

COFDM WiFi Receiver for Android & iOS – Long-Range Wireless Video Transmission Solution

Introduction

The COFDM WiFi Receiver for Android and iOS is a cutting-edge wireless video reception device designed for professional-grade applications where real-time, reliable, and long-range video transmission is required. Engineered with advanced COFDM (Coded Orthogonal Frequency Division Multiplexing) modulation technology and MPEG-2/H.264 compression standards, this receiver offers exceptional stability, resistance to interference, and crystal-clear image quality.

Unlike conventional wireless video systems that struggle in complex environments, the COFDM WiFi Receiver maintains seamless connectivity in both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions. It delivers low-latency video with delay times below 500ms, making it suitable for critical applications where timing and accuracy are essential, such as public security, first responders, UAV missions, surveillance operations, and mobile command systems.

With support for Android and iOS devices, this receiver integrates seamlessly into modern workflows, allowing operators to monitor video feeds directly from smartphones, tablets, and mobile devices. Its compact size, rugged housing, and lightweight design make it a versatile solution for field operations, drone deployments, and mobile security units.

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System Advantages

1. Long-Range Transmission Distance
   The receiver supports stable video reception up to 5–7 km ground distance or over 100 meters altitude for UAV and airborne applications. Even in challenging terrains or urban environments with obstructions, COFDM’s robust modulation ensures uninterrupted connectivity.

2. Real-Time Transmission
   Built for mission-critical operations, this system enables instant live video streaming with near-zero interruptions, ensuring situational awareness is always maintained.

3. Ultra-Low Latency
   With delay times of less than 500ms, the receiver is optimized for applications where every millisecond matters. This makes it ideal for remote control UAV operations, law enforcement, and live tactical monitoring.

4. Outstanding Image Quality
   Leveraging advanced video compression (MPEG-2 & H.264), the system delivers sharp, smooth, and vibrant video streams. Operators can rely on clear visuals without issues like mosaic, jitter, or image dragging.

5. Strong Performance in NLOS Environments
   Thanks to COFDM’s inherent multi-path resistance and diffraction capabilities, the system maintains reliable performance even in non-line-of-sight scenarios, such as urban centers, tunnels, and dense forests.

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Product Features

• High Transmission Power (1W): Ensures stable long-distance video reception, even in high-interference environments.

• Compact and Lightweight Design: Measuring just 102 × 60 × 21.5 mm and weighing only 170g, it’s perfectly suited for drones, handheld units, and mobile platforms.

• Ruggedized Housing: Built with vibration and shock resistance for use in demanding field conditions.

• Professional-Grade Modulation: Supports QPSK (4QAM), 16QAM, and 64QAM schemes, providing flexibility for various bandwidth and environmental requirements.

• Adjustable RF Bandwidth: Options of 1.25 / 2.5 / 6 / 7 / 8 MHz, allowing optimization for distance, interference levels, and video quality.

• Stable Video Performance: Delivers continuous, high-quality video transmission without mosaic artifacts or lag.

• Dynamic Power Adjustment: Helps operators balance power efficiency with transmission stability.

• AES-128 Encryption: Provides robust security, ensuring that sensitive video data is protected against unauthorized access.

• User-Friendly Control Panel: Digital LED control panel with aviation-grade connectors allows quick and secure setup in the field.

• Cross-Platform Compatibility: Works with both Android and iOS devices for maximum flexibility in monitoring and operation.

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Technical Specifications

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Application Scenarios

The COFDM WiFi Receiver is designed for professional-grade industries and missions where secure, stable, and real-time video is a necessity. Some of the most common applications include:

1. Law Enforcement and Public Security
   Police forces and security services use the receiver to monitor live feeds from drones, surveillance units, or mobile patrols in crowded areas, large-scale events, or covert operations.

2. First Responders and Emergency Services
   Firefighters, search-and-rescue teams, and paramedics benefit from real-time situational awareness, enabling them to make quick decisions in emergencies.

3. Military and Defense Operations
   Provides low-latency, encrypted video transmission for command and control posts, special forces, reconnaissance missions, and tactical field deployments.

4. Transportation and Traffic Management
   Traffic police and road safety authorities can monitor live traffic video feeds, ensuring efficient traffic flow and quick responses to incidents.

5. UAV and Drone Applications
   Specially designed for UAV platforms, its lightweight build and strong anti-interference capability make it an ideal choice for long-range drone operations, aerial photography, and surveillance.

6. Critical Infrastructure Protection
   Used for monitoring airports, seaports, borders, power plants, and other sensitive installations where secure wireless video streaming is essential.

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Why Choose COFDM Technology?

Traditional wireless video systems often fail in environments with high interference, moving objects, or obstructions. COFDM, however, is specifically designed to overcome these challenges:

• Multi-path Resistance: Handles reflections and signal scattering without breaking the video stream.

• Robust NLOS Performance: Works effectively in tunnels, urban environments, and forests.

• Scalability: Supports multiple modulation schemes, allowing flexible deployment.

• Security: Integrated AES-128 encryption ensures private video transmission.

This makes COFDM the gold standard for government, military, and industrial wireless video communication.

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Conclusion

The COFDM WiFi Receiver for Android and iOS is more than just a receiver—it’s a mission-critical video transmission solution designed for modern security, defense, and UAV operations. Its combination of long-range capability, ultra-low latency, rugged design, and mobile compatibility sets it apart from conventional wireless video receivers.

Whether deployed in the air with drones, on the ground with security teams, or in mobile command centers, this receiver guarantees stable, secure, and high-quality video feeds, empowering operators to make fast, informed, and reliable decisions.

For professionals who demand the highest standards in wireless video transmission, the COFDM WiFi Receiver is the ultimate solution.