2.5WPA 830-845-860MHz COFDM Video Transmitter-Receiver French bicycle competitions live sports

2.5WPA 830-845-860MHz COFDM Video Transmitter-Receiver French bicycle competitions live sports

Overview

The Vcan1726 Wireless Video Transmitter and Receiver is a professional-grade COFDM-based solution for live sports broadcasting, French bicycle competitions, drone UAV video downlinks, and mobile video transmission. Equipped with HDMI and CVBS inputs, H265/H264 encoding, and optional 1W or 2.5W PA, it delivers low-latency, long-range, and stable wireless HD video in challenging outdoor environments.

Ideal for multi-camera setups, drones, conference rooms, wedding shoots, or CCTV security applications, this transmitter and receiver set ensures professional-quality video with AES256 encryption for secure transmission.

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Key Features

Transmitter Advantages

• HD video encoding: Supports HDMI and analog CVBS input, encoding up to 1080P60 (1080@60P).

• Flexible modulation: COFDM modulation provides strong resistance to multi-path interference and NLOS (non-line-of-sight) transmission.

• High performance PA: Options include 1W or 2.5W, with future support for 10W/20W for extended range.

• Portable & durable: CNC aluminum alloy shell, lightweight (<140g for TX), compact dimensions (10.5×5×2.7cm).

• Secure: AES256 encryption for video data.

• Configurable: Frequency, bandwidth, transmission stream, and other parameters adjustable.

Receiver Advantages

• Multi-output support: HDMI, CVBS, USB, and Ethernet simultaneously for live streaming or recording.

• Dual-antenna diversity: Improves reception reliability, even in complex outdoor environments.

• Integrated RTSP server: Stream directly to computers, Android devices, or network decoders.

• OSD support: Displays RF strength, bandwidth, bit rate, and other parameters on-screen.

• Low-latency decoding: H265 latency 0.2–0.3s, H264 0.05–0.13s for real-time applications.

• Recording options: Supports TF card or USB disk recording (one selectable).

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Applications

• French bicycle competitions and live sports broadcasting: Long-range, low-latency video from cameras on bicycles, motorcycles, or drones.

• Drone UAV downlink: High-speed mobile transmission, supporting up to 800 km/h.

• Wedding and event filming: Wireless HD coverage without cable constraints.

• CCTV and security monitoring: Long-distance and NLOS transmission for complex environments.

• Conference rooms: Wireless HDMI video for large spaces with obstacles.

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Transmitter Input & Output

AV Input (CVBS Analog)

Configuration Interface

• 4PIN TTL 3.3V serial port for parameter configuration, connectable to PC or Vcan configuration board.

Data Interface

• One-way transparent serial data port, default TTL 3.3V, optional RS232 level.

HDMI Input

• Standard HDMI interface for HD video input.

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Why 830–860 MHz Is the Ideal Choice for COFDM Video Transmitters in French Bicycle Competitions and Live Sports

Delivering stable, low-latency wireless video from the race course to broadcast stations or organizers is crucial for professional French bicycle competitions and other live sports events. One key factor in achieving this is selecting the right frequency for COFDM (Coded Orthogonal Frequency Division Multiplexing) video transmitters and receivers. The 830–860 MHz band offers distinct advantages that make it ideal for outdoor sports broadcasting.

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1. Superior Propagation Characteristics

The 830–860 MHz range belongs to the UHF low-frequency band, which provides excellent signal propagation:

• Long-range coverage: Lower-frequency signals experience less attenuation compared to higher bands like 2.4 GHz or 5.8 GHz. This ensures video from cameras on bicycles, drones, or motorcycles can reach receivers several kilometers away without loss.

• Obstacle penetration: The longer wavelength allows signals to pass through trees, temporary barriers, and even certain structures along the race course, providing more stable transmission in complex outdoor environments.

• Multi-path resilience: COFDM technology is naturally resistant to multi-path interference, and in the 830–860 MHz band, it delivers smooth, uninterrupted video feeds even in semi-urban or forested race sections.

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2. Regulatory and Licensing Advantages

Frequency selection must consider local regulations:

• The 830–860 MHz band is often allocated for industrial, scientific, and medical (ISM) applications or low-power licensed use.

• Using this band ensures operators comply with European frequency regulations, reducing legal and operational risks during high-profile French bicycle competitions.

• Compared to crowded bands like 2.4 GHz or 5.8 GHz, which host Wi-Fi, Bluetooth, and other wireless equipment, the 830–860 MHz range is relatively interference-free, making it ideal for live sports broadcasting.

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3. Equipment Compatibility

Technically, this frequency range works well with COFDM hardware:

• Optimized transmitter and receiver performance: Many COFDM modules are tuned for UHF low bands, ensuring maximum signal strength and stable connectivity.

• Antenna size and mobility: At 830–860 MHz, antennas are compact enough for bicycles, camera rigs, or drones without adding excessive weight—critical for dynamic sports coverage.

• Low-latency, long-distance transmission: COFDM modulation combined with this frequency enables real-time video feeds over several kilometers, essential for live French bicycle competitions and other outdoor sports.

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4. Reduced Interference

For multi-camera setups and live broadcasts:

• Simplified channel planning: Fewer competing devices in this band allow multiple video links without cross-channel interference.

• Avoidance of digital TV interference: The 830–860 MHz range is typically outside European DVB-T/DVB-T2 television bands, minimizing interference risks.

• Reliable live feeds: Low interference ensures fewer video drops and smoother broadcasts for both onsite screens and remote viewers.

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5. Practical Application: French Bicycle Competitions and Live Sports

Using 2.5W PA COFDM transmitters in the 830–860 MHz band for French bicycle competitions and live sports ensures:

• Reliable, long-distance video transmission from cameras mounted on bicycles, drones, or motorcycles.

• Stable, low-latency feeds for race organizers, broadcasters, and live streaming platforms.

• Regulatory compliance with European frequency standards.

• Portable deployment with compact antennas suitable for mobile setups along the course.

This frequency range allows broadcasters to focus on capturing high-quality footage without worrying about signal reliability or interference, ensuring smooth coverage from start to finish.

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Summary

Choosing 830–860 MHz for COFDM video transmitters offers multiple advantages:

1. Superior signal penetration and extended coverage distance.

2. Compliance with European regulations.

3. Efficient hardware and antenna performance for mobile setups.

4. Reduced interference and simplified multi-link deployment.

5. Stable, low-latency video feeds for French bicycle competitions and live sports.

By leveraging this frequency range, organizers and broadcasters can deliver professional-grade live video, enhancing the audience experience and ensuring seamless coverage.

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