Video không dây HDMI tầm xa để giám sát nạo vét

Q: Q1: Can this system work without the internet?

A: Yes. It’s a pure point-to-point COFDM digital RF link , no network needed.

Q: Q3: What if there’s slight obstruction or waves?

A: COFDM modulation provides strong NLOS capability , suitable for sea or shore vibration.

Q: Q4: Can the housing be waterproof and anti-salt?

A: Yes, optional marine-grade waterproof housing is available for both TX and RX.

Table of Contents

Yêu cầu ban đầu của khách hàng

1 – We would need a one way with the camera transferring from shore to the dredge
2 – Camera would be on the shore at the end of the discharge pipe and the receiver and monitor would be on the dredge so can see what is happening on shore.
3 – We have attached a pdf with some pictures which show the ‘set up’. There is a mast located on shore as well. Please be aware that there is no internet connection available on the dredge.

COFDM 2W Long-Range Video Audio Transceiver for Robots — Bộ thu phát âm thanh video tầm xa COFDM 2W cho robot

Understanding the Customer’s Need

The client’s project involves real-time video monitoring between a dredge vessel and the shoreline, where the camera is placed onshore và receiver and display are mounted on the dredge. The key challenges are:

Long transmission distance over water
No internet connection available (so cellular or IP-based systems are not possible)
Stable one-way HD video link from shore to vessel
ngoài trời, harsh marine environment (requiring waterproof, anti-salt, and shockproof housing)

This setup requires a khỏe mạnh, point-to-point digital wireless transmission system that can deliver clear, delay-free HDMI video even under không có tầm nhìn (NLOS) or sea surface reflection conditions.

long range cofdm wireless hdmi transmitter and hdmi receiver — Bộ phát và thu HDMI không dây cofdm tầm xa

Các tính năng chính

Khoảng cách truyền: Up to 30km (LOS) with 2W power amplifier; options up to 100km available
Định dạng Video: Full HD 1080P HDMI (SDI tùy chọn)
Low Latency: 200–250ms (optional 30–50ms ultra-low latency model)
Dải tần số: 170–860 MHz (tùy chỉnh)
không thấm nước & Shockproof Aluminum Case – optional marine-grade enclosure
NLOS Support – works even when the line of sight is partially blocked
AES 128-bit Encryption để truyền video an toàn
All-in-One Integration: Compact transmitter, người nhận, và anten
Stable Over Water Transmission – ideal for ship, dredge, and marine applications

Ứng dụng điển hình

Dredging & Marine Construction: Real-time video from shore to vessel
Harbor and Coastal Surveillance
Offshore Platforms & Floating Equipment Monitoring
máy bay không người lái, máy bay không người lái, UPS, and UGV Transmission Systems
Phát tin & Outdoor Filming
Emergency and Law Enforcement Field Units

Example Setup for Dredge Application

Máy phát (on shore): Connected to the camera via HDMI, mounted on a mast for better height and line of sight.
Người nhận (on dredge): Connected to a monitor in the control cabin, receiving the video feed directly without internet.
Anten: Omnidirectional or Yagi directional antennas depending on installation site.

FAQ

Q1: Can this system work without the internet?

A: Yes. It’s a pure point-to-point COFDM digital RF link, no network needed.

Q2: How far can it transmit over water?

A: With 2W output power and clear line-of-sight, it can reach up to 30km.

Q3: What if there’s slight obstruction or waves?

A: COFDM modulation provides strong NLOS capability, suitable for sea or shore vibration.

Q4: Can the housing be waterproof and anti-salt?

A: Yes, không bắt buộc marine-grade waterproof housing is available for both TX and RX.

Q5: What power supply is needed?

A: 12V DC power supply, 2A–6A depending on output power.

Precautions for Order Customization

Khi đặt hàng, please specify:

Desired working frequency (170–860 MHz).
Antenna type and length (0.8tôi / 1.8tôi).
Môi trường (hàng hải, phương tiện giao thông, máy bay không người lái, or fixed).
Power level (0.5W–20W optional).

Still Have Questions?

For project-specific solutions such as shore-to-dredge monitoring, mobile marine systems, hoặc long-range video relay, contact us anytime to customize the setup for your exact distance and conditions.

Sản phẩm được đề xuất:
👉 30Km Long Distance COFDM HDMI Wireless Video Transmitter Receiver 908T