Circuit Design, Inc. Official site

MU-4 RS-232C Interface Board for Measurement Purposes

Wireless conversion of existing PLCs and industrial PCs. Reliable data transmission in the 429MHz band.

In the measurement industry, accurate data collection is essential for quality control and efficiency. Particularly when collecting environmental data such as temperature, humidity, and water levels, issues such as wiring complexity, costs, and noise interference arise. The MU-4 RS-232C interface board wireless enables measurement devices with RS232C interfaces, addressing these challenges. With excellent diffraction characteristics in the 429MHz band, it ensures stable data transmission even in environments with many obstructions, allowing for reliable data collection. 【Usage Scenarios】 - Monitoring water levels in manholes - Collecting environmental data in greenhouses 【Benefits of Implementation】 - Reduced wiring costs - Mitigated noise interference - Data collection from remote locations

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basic information

**Features** - RS232C (D-Sub 9-pin) interface - Stable data transmission in the 429MHz band - Transmission and reception of binary data - LED indicator to check communication status - External power supply terminal **Our Strengths** As a pioneer in low-power wireless communication, we provide high-quality general-purpose wireless devices that operate stably over long periods. Our mission is to ensure "reliable wireless communication" in our customers' products.

Price information

Available for purchase from 1 unit. For price details, please visit our website.

Price range

P2

Delivery Time

P3

For more details, please contact us.

Model number/Brand name

MU4-RS2-429

Applications/Examples of results

【Applications】 Ideal for applications requiring reliability and distance, such as communication between PLCs within factories, crane control, monitoring water levels in manholes, and collecting environmental data in greenhouses. It is useful as an alternative to wired connections that are costly to install in outdoor facilities or mobile units, and are susceptible to noise over long distances. Additionally, dedicated tools can monitor the radio wave environment (Air Monitor), making it perfect for professional-use IoT and telemetry systems that require precise area design.

429MHz Band Specific Low Power Serial Data Transmission Wireless Modem MU-4-429

PRODUCT

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Distributors

We specialize in the design and manufacture of Specific Low-Power Radio (SLPR) equipment—a solution distinct from general wireless offerings. Our focus is on high-reliability wireless systems for industrial and professional applications that demand advanced stability and dependability, operable without complex licensing procedures. Our mission is to ensure unwavering wireless connectivity for your products. Our versatile radio modules and remote controls are widely adopted in fields where long-term stable operation and noise immunity are essential, including medical devices, security systems, and infrastructure monitoring. We apply strict quality control standards from the initial planning stages, providing highly durable wireless communication devices that comply fully with domestic radio regulations.