COFDM无线发射模块+接收模块，组成单向无线传输网口透传链路
发射模块通过网口接收数据，将网口接收到的数据以COFDM方式发射出去
接收端收到数据后解调，再通过网口输出

One-way COFDM ethernet PI wireless transparent transmission transmitter module network port

One-way COFDM network port wireless transparent transmission transmitter module

单向COFDM网口无线透传发射模块功能：

通过网口接收上位机数据，再将网口数据发射出去。
数据输入：ネットワークポート，支持协议UDP广播/组播。物理接口：RJ45座子或4PIN 1.25mm间距座子
CFG-UART：COFDM调制参数配置串口，4PIN1.25mmピッチシート，可对接我们的参数配置面板(ScoA、SconB或SconC)。ユーザーはシリアルポート経由でパラメータを設定できます：中心動作周波数点、无线带宽以及其它调制参数(ガードインターバルなど、畳み込み符号レート、星座方式、送信利得など)。
COFDM 送信インターフェイス(送信)：MMCXメスベース。
TFカードインターフェース，ソフトウェアのアップグレードやメンテナンスのため。
電源入力インターフェース(力)：2PIN2.0mmピッチフェニックス端子。電源電圧：7V～24V。
リンクLEDインジケーター：发射工作指示灯，数据正常发射时闪烁。
電源LEDインジケーター：電源入力表示灯，正常に電源が供給されている場合は常時点灯。
发射模块尺寸：73×51mm(基板端からはみ出すインターフェース部品やコネクタの寸法を除く)、厚さ15mm以下。
支持的COFDM调制参数：
可配置卷积编码比率：1/2，2/3，3/4，5/6，7/8
可配置的星座方式：QPSK/QAM16/QAM64
IFFT模式：2K
可配置的保护间隔：1/4，1/8，1/16，1/32
無線帯域幅：1~8MHz MHz可调，1KHz步进
可配置的RF输出功率：-94dbm ~ -5dbm(不同工作频点，最大发射功率不一样)
中心動作周波数点：200MHz~2300MHz之间可任意配置

COFDM无线传输系统传输速率计算

无线传输速率(空口速率)：

レート(MBps) = (BandWidth(メガヘルツ) * 8.0/7.0) / (1+GI) * 1512/2048*log2(constellation point) * code_rate * 188/204.

以8MHz带宽为例不同的保护间隔，畳み込み符号レート，星座对应的数据速率及所要求的接收信噪比：

One-way COFDM ethernet PI wireless transparent transmission transmitter module network port3

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

ザ・ One-Way COFDM Wireless Video Transmitter is a high-performance transmission solution designed for professional applications requiring stable, 長距離, and high-quality wireless data and video delivery. This module combines a COFDM 送信機および受信機 システム, サポートする one-way network port wireless transparent transmission, making it ideal for CCTV, 産業用監視, 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, 費用対効果の高い, 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

COFDM変調技術:
The transmitter uses コード化された直交周波数分割多重化 (COFDM), which provides excellent resistance to multipath interference, 色褪せ, and environmental noise. It is capable of transmitting high-quality video and data over 見通し外 (NLOS) 環境, making it ideal for urban and complex terrains.
Network Port Transparent Transmission:
システムがサポートする 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 イーサネットポート, then converts it into COFDM signals, and the receiver outputs the data back through the Ethernet port for immediate use.
Configurable Parameters:
ユーザーが設定できるのは 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, 含む QPSK, 16-QAM, and 64-QAM, and offers adjustable guard intervals of 1/4, 1/8, 1/16, そして 1/32, ensuring flexibility and robustness for different deployment scenarios.
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.
Frequency and Bandwidth Configuration:
The center operating frequency and channel bandwidth can be customized to meet specific frequency allocation requirements. ザ・ 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.
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.
アプリケーション:
This one-way COFDM transmitter module is suitable for 産業用無線ネットワーク, 遠隔監視, 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.

まとめ

ザ・ One-Way COFDM Network Port Wireless Transparent Transmission Transmitter Module provides a robust, 設定可能, 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, 帯域幅, 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.