one-way COFDM Wireless video transmitter One-way COFDM network port wireless transparent transmission transmitter module

• COFDMWireless transmitting module + receiving module，Form a one-way wireless transmission network port transparent transmission link
• The transmitting module receives data through the network port，Transmit the data received by the network port in COFDM mode
• The receiving end demodulates the data after receiving it，Then output through the network port

One-way COFDM network port wireless transparent transmission module function：

• Receive data from the host computer through the network port，Then transmit the network port data out。
• Data entry：Network port，Support protocol UDP broadcast/multicast。physical interface：RJ45 socket or 4PIN 1.25mm pitch socket
• CFG-UART：COFDM modulation parameter configuration serial port，4PIN 1.25mm pitch seat，Can be connected to our parameter configuration panel(ScoA、SconB or SconC)。Users can set parameters through the serial port：Central working frequency point、Wireless bandwidth and other modulation parameters(such as guard interval、Convolutional code rate、zodiac sign、Transmission gain, etc.)。
• COFDM transmit interface(Tx)：MMCX female base。
• TF card interface，For software upgrade and maintenance。
• Power input interface(Power)：2PIN 2.0mm pitch Phoenix terminal。COFDM transmit interface：7V~24V。
• Link LED indicator：Launch working indicator light，Flashes when data is transmitted normally。
• Power LED indicator：Power input indicator light，Always on when power is supplied normally。
• Transmitter module size：73x51mm(Excluding the dimensions of interface components and connectors protruding from the edge of the board)、Thickness less than 15mm。
• Supported COFDM modulation parameters：
• Configurable convolutional coding ratio：1/2，2/3，3/4，5/6，7/8
• Configurable constellation mode：QPSK/QAM16/QAM64
• IFFT mode：2K
• Configurable guard interval：1/4，1/8，1/16，1/32
• Configurable convolutional coding ratio：1~8MHz MHz adjustable，1KHz step
• Configurable RF output power：-94dbm ~ -5dbm(Different working frequency points，The maximum transmit power is different)
• Central working frequency point：200Can be configured arbitrarily between MHz~2300MHz

COFDM wireless transmission system transmission rate calculation

Wireless transmission rate(Air interface rate)：

Rate(MBps) = (BandWidth(MHz) * 8.0/7.0) / (1+GI) * 1512/2048*log2(constellation point) * code_rate * 188/204.

Taking 8MHz bandwidth as an example of different guard intervals，Convolutional code rate，The data rate corresponding to the constellation and the required receiving signal-to-noise ratio：

One-Way COFDM Wireless Video Transmitter and Network Port Transmission Module

The One-Way COFDM Wireless Video Transmitter is a high-performance transmission solution designed for professional applications requiring stable, long-range, and high-quality wireless data and video delivery. This module combines a COFDM transmitter and receiver system, supporting one-way network port wireless transparent transmission, making it ideal for CCTV, industrial monitoring, live video streaming, and other applications where reliable data transfer is critical.

The module operates in a one-way transmission mode, meaning that it sends data from the transmitter to the receiver without requiring a return signal or feedback from the receiver. This type of system is efficient, cost-effective, and ideal for scenarios where two-way communication is not necessary, such as security camera deployments, point-to-point video links, or fixed wireless networks. The transmitter converts the incoming network data into a COFDM-modulated RF signal and sends it over the air, while the receiver captures and converts the signal back to network data for seamless integration into IP networks.

Key Features and Functionality

1. COFDM Modulation Technology:
   The transmitter uses Coded Orthogonal Frequency Division Multiplexing (COFDM), which provides excellent resistance to multipath interference, fading, and environmental noise. It is capable of transmitting high-quality video and data over non-line-of-sight (NLOS) environments, making it ideal for urban and complex terrains.
2. Network Port Transparent Transmission:
   The system supports transparent Ethernet/IP transmission, meaning data from devices connected to the network port can be transmitted over RF without alteration. The transmitter module accepts data input via Ethernet port, then converts it into COFDM signals, and the receiver outputs the data back through the Ethernet port for immediate use.
3. Configurable Parameters:
   Users can configure convolutional coding ratios (1/2, 2/3, 3/4, 5/6, 7/8) to optimize error correction and transmission reliability based on environmental conditions. The module supports multiple modulation schemes, including QPSK, 16-QAM, and 64-QAM, and offers adjustable guard intervals of 1/4, 1/8, 1/16, and 1/32, ensuring flexibility and robustness for different deployment scenarios.
4. Transmission Interface and Power Supply:
   The COFDM transmitter interface operates at 7V to 24V DC, with real-time status indicators showing data transmission activity. The module flashes data indicators to show proper operation, ensuring easy monitoring and troubleshooting during deployment.
5. Frequency and Bandwidth Configuration:
   The center operating frequency and channel bandwidth can be customized to meet specific frequency allocation requirements. The operating frequency point is configurable, with formulas provided to optimize bandwidth utilization and achieve maximum efficiency for different deployment scenarios. This ensures compatibility with a wide range of regulatory environments and project needs.
6. High Reliability and Real-Time Monitoring:
   The module’s design allows users to monitor signal strength, error rates, and link quality in real-time, providing confidence in continuous operation. The receiver automatically demodulates the COFDM signal and outputs the original network data with minimal latency, ensuring high reliability for critical applications.
7. Applications:
   This one-way COFDM transmitter module is suitable for industrial wireless networks, remote monitoring, security camera networks, point-to-point video links, and unmanned vehicle telemetry. Its transparent network transmission capabilities allow it to integrate seamlessly into existing IP networks without requiring specialized software or additional configuration.

Summary

The One-Way COFDM Network Port Wireless Transparent Transmission Transmitter Module provides a robust, configurable, and reliable solution for long-distance wireless video and data transmission. Its combination of COFDM modulation, configurable coding ratios, and transparent Ethernet/IP transmission makes it suitable for both professional and industrial deployments. With adjustable frequency, bandwidth, and modulation settings, users can optimize performance based on their environment, ensuring stable, high-quality data delivery over distances even in challenging non-line-of-sight conditions.