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Data Transmission Unit

The complete set of wireless data transmission terminals independently developed by our company are divided into master lora-dtu-m1 and slave lora-dtu-s2. The master and the slave are connected to the acquisition device and the instrument through the standard serial interface to realize the wireless communication between the local devices.

Product Description

The complete set of wireless data transmission terminals independently developed by our company are divided into master lora-dtu-m1 and slave lora-dtu-s2. The master and the slave are connected to the acquisition device and the instrument through the standard serial interface to realize the wireless communication between the local devices.

The product is mainly used in electric power, water conservancy, meteorology, environmental protection and other industries.

Product features:

·Simple installation, easy to use, strong environmental adaptability.

·Configure different hardware ID and carrier frequency to avoid data crosstalk between stations.

·Strong anti-jamming ability, long communication distance and high communication success rate.

·Seamless connection between controller and acquisition instrument, realize wireless data transmission.

·The slave has RS485 and TTL serial ports, which can be flexibly selected according to different instrument interfaces.

·The slave is designed with micro power consumption, and the battery power supply time can reach more than 5 years.

Data Transmission UnitData Transmission Unit


PerformanceMaster LoRa-DTU-M1Slave LoRa-DTU-S2
Power supplyVoltage range is DC 9-28v, and the recommended voltage is 12V3.6V/19AH High energy lithium sub battery
Standby power≤180mW @12V≤0.6mW
communication interfaceRS485RS485、TTL
Serial port baud rate1200(default)、2400、4800、96001200、2400(default)、4800、9600
Serial port check bitNone、Even(default)、OddNone、Even(default)、Odd
Protection levelIP50IP65
Transmission modetransparent transmission
Communication modepoint to point
Transmission distanceno less than 200m in the open area
Carrier frequency410MHz-510MHz
Work environmenttemperature: - 30 ℃ ~ 70 ℃; humidity: ≤ 95%; no condensation, no conductive dust, no explosives



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