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  6. Mini Model for Tourist Information Anywhere

Mini Model for Tourist Information Anywhere

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DM-300

last updated:Feb 04, 2026

Circuit Design, Inc.
Circuit Design, Inc.
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A programmable wireless sensor unit that connects tourist destinations using LPWA.

In the tourism information industry, there is a demand for improving visitor satisfaction and effectively utilizing tourism resources. Particularly in nature-rich tourist destinations or areas with unstable signal conditions, accurate information transmission and safety management are crucial. Traditional communication methods have faced limitations in coverage and cost issues. The "Doko Demo de Mu mini" small model addresses these challenges with long-distance communication via LoRa and flexible customization through programming. 【Usage Scenarios】 - Information display at tourist sites (digital signage, audio guidance) - Information provision during natural disasters (monitoring water levels, landslides, etc.) - Understanding visitor location information (visualizing congestion) 【Benefits of Implementation】 - Enables information transmission over a wide area, contributing to improved visitor satisfaction - Strengthens safety management through real-time information provision - Low-cost and capable of meeting diverse needs *The use of this product requires firmware development by the customer.

    Remote ControlCommunicationsOther embedded systems (software and hardware)
dm-300-front.png

Mini Model for Tourist Information Anywhere

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basic information

**Features** - Equipped with a LoRa-compatible wireless module for long-distance communication - Standard implementation of temperature, humidity, and pressure sensors - Rich interfaces including I2C, UART, ADC, IN/OUT - Compatible with programming in the Arduino environment - Battery-operated **Our Strengths** We have specialized in the design and manufacturing of low-power wireless devices for many years, and our products are adopted in fields such as medical, security, and infrastructure monitoring, where long-term stable operation and noise resistance are essential. We strive to achieve "reliable wireless communication" in our customers' products.

Price information

Samples can be purchased starting from one unit. For price details, please visit our website.

Price range

P2

Delivery Time

P3

※For more details, please contact us.

Applications/Examples of results

【Usage】 It can be used to build wide-area sensor networks in environments without communication infrastructure, such as mountainous areas, factories, and agricultural land. Specifically, it serves as a sub-device for IoT systems that cover extensive areas on the order of several kilometers, such as monitoring landslides and water levels, managing the environment in greenhouses, and monitoring factory equipment operation. With its low power consumption design and battery operation support, it solves installation issues in locations where securing power is difficult and strongly supports the digitization of field data.

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Model number overview
DM-100 Anywhere Deme Small Model
DM-200 Anywhere LTE-M model
DM-400 Anywhere de mu mini LTE-M model
MLR-429 429MHz band narrowband LoRa small wireless module

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Data Transmission Wireless Unit "Doko Demo De Mu"

Data Transmission Wireless Unit "Doko Demo De Mu"

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Company information

Circuit

Circuit Design, Inc.

Industrial Electrical Equipment

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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.

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