COFDM Wireless Video Transmitter and Receiver – AV in / HDMI out FPV System
Reliable Long-Range Video Transmission up to 100KM (2W support 30km)
Product Overview
The COFDM Video Transmitter & Receiver system is designed for users who need secure, long-range, and stable wireless video transmission in complex environments. Using COFDM multi-carrier modulation technology combined with H.264/MPEG-2 video encoding, this system delivers 720P high-quality video with low latency, ensuring real-time video monitoring in both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions.
Whether for UAVs, military reconnaissance, live broadcast, security monitoring, or industrial applications, this COFDM system provides stable, interference-resistant, encrypted wireless video transmission over distances from 10km to 30km (depending on power output and antenna configuration).
Key Selling Points & Advantages
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Long-Range Transmission:
- Supports LOS (Line-of-Sight) distances up to 30KM with a 2W Power Amplifier.
- Supports NLOS (Non-Line-of-Sight) distances up to 1.5KM in urban or obstructed environments.
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Low Latency Transmission:
- End-to-end delay of <200~300ms, making it suitable for real-time monitoring and drone FPV.
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Secure Video Encryption:
- Built-in AES-128 video encryption ensures transmission privacy and prevents unauthorized interception.
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Dual Video Outputs:
- Transmitter: Composite CVBS AV input (720P).
- Receiver: HDMI + AV output, compatible with most monitors, DVRs, and display devices.
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Modular & Configurable Design:
- Optional parameter configuration board for frequency tuning, bitrate adjustment, and real-time monitoring.
- Easily modify transmission frequency and parameters as per requirements.
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Powerful PA Output:
- Available in 1W or 2W RF power output.
- Higher power enables stronger penetration through walls and obstacles.
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Integrated Compact Housing:
- Rugged all-aluminum shockproof and anti-corrosion design for outdoor use.
- Compact, lightweight transmitter suitable for drones, UGVs, and mobile operations.
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Full Package Included:
- Complete set with transmitter, receiver, antennas, and cables. Ready-to-use with no additional equipment needed.
Applications
This COFDM wireless video transmission system is widely used across industries and professional fields:
- Military & Law Enforcement: Tactical reconnaissance, covert surveillance, and secure communication.
- Broadcasting & Live Streaming: Sports events, news reporting, outdoor concerts, and aerial cinematography.
- Drone FPV Systems: Long-range aerial video transmission with optional wave filters for UAV compatibility.
- Security & Monitoring: CCTV, perimeter surveillance, border patrol, and vehicle-mounted monitoring.
- Search & Rescue: Emergency communication in mountainous or urban disaster zones.
- Industrial & Research: Marine video monitoring, oilfield inspection, and mobile robotics.
Technical Features
- COFDM Modulation: Ensures stable and anti-interference transmission in both LOS and NLOS environments.
- MPEG-2 / H.264 Compression: Efficient video encoding with reduced bandwidth requirements.
- Configurable Frequency: Adjustable transmission frequency (170–860 MHz).
- UART Data Link: Supports one-way video + data transmission (simplex) for telemetry integration.
- Signal Strength Monitoring: Receiver screen displays signal strength to assist with antenna alignment.
- Robust Build: Heat-sink aluminum housing, shock-resistant design, suitable for field deployment.
Technical Specifications
Transmitter:
- Operating Voltage: DC 11V~13V (20W PA requires DC 24V~28V)
- Current: ≤1.5A @ DC12V (2W mode)
- Input Video: Composite CVBS (PAL default, NTSC optional)
- Video Encoding: MPEG-2 / H.264
- Resolution: 720×576 @ 4M bitrate or higher
- Transmission Power: 1W or 2W RF output
- Transmission Frequency: Stock at 300MHz (290–310MHz) or 600MHz (590–610MHz); customizable from 170–860MHz
- Data Transmission: One-way UART (baud rates up to 230400bps)
- Modulation: COFDM (QPSK, 16QAM, 64QAM)
- Bandwidth: 2/3/4/5/6/7/8MHz adjustable
- Encryption: AES-128 video encryption
- Dimensions: 90×65×22mm, lightweight (154g transmitter unit, 34g antenna)
Receiver:
- Frequency Range: 170–860MHz
- Bandwidth: 2/3/4/5/6/7/8MHz adjustable
- RF Input: -94dBm to 0dBm (at 8MHz)
- RF Connector: SMA female, 50Ω
- Demodulation: COFDM
- Video Decoding: MPEG-2
- Video Outputs: HDMI + AV (CVBS)
- Aspect Ratio: 4:3 / 16:9 selectable
- Resolution: 720×576 @ 6MHz
- Operating Voltage: DC 12V <0.3A
- Operating Temp: -20°C ~ +50°C
Real-World Performance
- LOS Test (Air-to-Ground, 2W PA): Up to 30KM transmission.
- NLOS Test (Urban Environment): 1.5KM with buildings and obstacles.
- Drone FPV Use: Stable transmission in both low-altitude and high-altitude flights.
- Mobile Vehicle Test: Smooth video with transmitter mounted on a moving car.
Package Includes
- 1 × COFDM Wireless Video Transmitter
- 1 × COFDM Wireless Video Receiver
- 2 × High-Gain Antennas (Tx & Rx)
- 1 × Configuration Parameter Board (optional)
- 1 × Accessory Cable Set
- 1 × User Manual
FAQs
Q1: Can I customize the frequency?
Yes, the frequency can be customized within 170–860 MHz. Standard stock models are available at 300MHz and 600MHz.
Q2: Does it support video + telemetry data?
Yes, it supports UART data transmission along with video (one-way).
Q3: What’s the maximum range?
Up to 30KM LOS with 2W PA. Higher power models (5W, 10W, 20W) are available for extended distances.
Q4: Can it work at 260 MHz or 450–1300 MHz?
Yes, custom frequency tuning is available upon request.
Q5: What latency should I expect?
Latency is typically 200–300ms, depending on bitrate and environment.
Q6: Can I connect an HDMI camera directly?
The transmitter supports CVBS AV input only. For HDMI cameras, use an HDMI-to-AV converter.
Q7: Is it suitable for drones?
Yes, it’s recommended for UAV FPV, but extra wave filters are suggested for stable performance (optional accessory).
Q8: Is encryption included?
Yes, AES-128 video encryption is standard.
Warnings & Best Practices
- Always connect the transmitter antenna before powering on to avoid damaging the PA module.
- Keep antennas vertical and elevated for optimal performance.
- Ensure a height difference between Tx and Rx antennas for better signal reception.
- Avoid blocking antennas with metal or obstacles.
Why Choose This COFDM Wireless Video System?
- Proven 10–30KM long-range transmission.
- Secure encrypted video for sensitive applications.
- Affordable pricing compared to traditional microwave or 4G/5G video systems.
- Versatile use cases from drones to broadcasting to military.
- Ready-to-use complete set with accessories.
Get the Cheapest & Longest COFDM Wireless Video Transmitter and Receiver Today!
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