2.5WPA 830-845-860MHz COFDM 視頻發射器-接收器 法國自行車比賽直播體育

2.5WPA 830-845-860MHz COFDM 視頻發射器-接收器 法國自行車比賽直播體育

概觀

該 Vcan1726 Wireless Video Transmitter and Receiver is a professional-grade COFDM-based solution for live sports broadcasting, French bicycle competitions, drone UAV video downlinks, 以及移動視頻傳輸. Equipped with HDMI and CVBS inputs, H265/H264 encoding, and optional 1W or 2.5W PA, 它提供了 低延遲, 長距離, and stable wireless HD video in challenging outdoor environments.

理想的 multi-camera setups, 無人機, 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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主要特徵

Transmitter Advantages

• HD video encoding: Supports HDMI and analog CVBS input, encoding up to 1080P60 (1080XT30PW-M 連接器).

• Flexible modulation: COFDM modulation provides strong resistance to multi-path interference and NLOS (非視距) 傳送.

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

• 手提 & 耐用: CNC aluminum alloy shell, 輕的 (<140g for TX), 尺寸緊湊 (10.5×5×2.7cm).

• 安全的: AES256 encryption for video data.

• 可配置: 頻率, 帶寬, 傳輸串流, 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, 即使在復雜的戶外環境中.

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

• OSD support: Displays RF strength, 帶寬, 比特率, 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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應用

• French bicycle competitions and live sports broadcasting: 長距離, low-latency video from cameras on bicycles, 摩托車, or drones.

• Drone UAV downlink: 高速移動傳輸, 支持 800 公里/小時.

• 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 & 產量

視音頻輸入 (CVBS模擬)

配置介面

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

數據接口

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

HDMI輸入

• 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 穩定的, 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 (編碼正交頻分複用) video transmitters and receivers. 該 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, 無人機, 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 地方法規:

• The 830–860 MHz band is often allocated for 工業的, 科學, and medical (主義) 應用 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, 藍牙, 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. 設備相容性

Technically, this frequency range works well with COFDM hardware:

• Optimized transmitter and receiver performance: Many COFDM modules are tuned for UHF low bands, 確保 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.

• 低延遲, 長距離傳輸: COFDM modulation combined with this frequency enables real-time video feeds 超過幾公里, essential for live French bicycle competitions and other outdoor sports.

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4. 減少干擾

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, 最小化干擾風險.

• 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

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

• 可靠的, long-distance video transmission from cameras mounted on bicycles, 無人機, or motorcycles.

• 穩定的, low-latency feeds for race organizers, 廣播, and live streaming platforms.

• 法規合規性 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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概括

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. 穩定的, 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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