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1 Channel Data Logger Module , GSM GPRS CDMA Communication Data Transfer Unit

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1 Channel Data Logger Module , GSM GPRS CDMA Communication Data Transfer Unit

Brand Name : INST
Model Number : HIT-DTU
Certification : CE ROHS ISO CCC
Place of Origin : China
MOQ : accept sample order
Price : negotiated
Supply Ability : 5000sets/month
Delivery Time : 5~8 work days for sample
Packaging Details : paper box
Serial port : 1 RS-232, 1 RS-485
communication speed : 1200bps~115200bps
Power Input : range 9-24V
power output : 4V/2.5A, 3.3V/0.3A
Working Temperature : -40~85℃
Working Humidity : ≤95%RH(40℃)
Digital output : 1 channel
communication function : GSM/GPRS/CDMA
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Data logger module GSM/GPRS/CDMA communication data transfer unit

Product Overview
HIT-DTU series products are the data transfer unit. The internal adopts the STM32 series high-performance ARM controller chip from the industry-leading STMicroelectronics company and combines the industrial wireless communication module from Quectel company, has the characteristics of strong stability, high reliability, real-time, and wide application.

HIT-DTU data transfer unit series products are the high-performance data transmission
device which integrates wireless communication and serial port communication. Can be directly
connected to the serial port signal output by standard 485 sensor. It's the best way for the
small-scale process data to implement wireless transmitting.


※Digital output functions
※Data storage function
※GSM/GPRS/CDMA communication function
※Serial port communication function
※Power management function



Technical Parameters

GPRS Module
3G Module

Industrial GPRS wireless module, frequency range 850/900/1800/1900MHz
SIMCOM 3G wireless module, frequency range 900/1800/2100MHz

Serial port

1 RS-232, 1 RS-485, communication speed: 1200bps~115200bps

Power Input

range 9-24V, power output including 4V/2.5A, 3.3V/0.3A

Digital output

1 channel, the max load are respectively (10A/250V AC)

Data storage

Can store historical data and real-time data, possess 2MB serial FLASH, can be expanded to 16MB and 32MB

Working environment

Temperature:-40~85 Humidity:≤95%RH(40℃)

HIT-DTU is encapsulated in the metal case ,can be independently used. HIT-DTU dimensions
are: length 77mm, width 60mm, height 28mm. HIT-DTU installation dimension see figure
below(For reference only, in kind prevail):

Installation of Antenna and SIM Card
GPRS antenna use SMA female pedestal, configuring corresponding antenna with SMA male,
then connecting and tightening. SIM card is popup mode, tapping the outer edge of it and it will
popup. Please note the metal mating face of SIM card toward inside when insert the SIM card. It
should have the stuck feeling after the SIM card cassette insert the drawer to prevent the SIM
card has not inserted to the right position that cost communication abnormal.

Power Module
Power module has 4V, 3.3V two lines conversion to supply for the using of different input
level module.

GPRS Module
GPRS module is configured SIM, GSM ANT two ports. SIM card is popup mode, which has
insertion and extraction detection, tapping the outer edge of it and it will popup. GSM ANT
connects to GSM passive antenna. GPRS short message communication protocol can be used to
set the DTU, read various states, configuration message, collection content.

Serial Module
Serial interface consists of 1 RS232 and 1 RS485. RS232 is appropriated for short distance
signal transmission with serial peripheral less than 10m. RS485 is appropriated for point to point
long distance signal transmission which can reach 1000m, and it can connect to multi serial

Memory Module
Memory module uses 2M FLASH, used for storing the temporary data generated by the
process of operation of equipment.

DO Module


· Remote Data Monitor

· Automatic monitoring system;
· Vending Machines security protection;
· Pumping Stations, Tanks, Oil or Water levels;
· Buildings and Real Estate;
· Weather Stations;
· River Monitoring and Flood Control;
· Oil and gas pipelines;
· Corrosion protection;

· Security Alarm System applications;
· Supervision and monitoring alarm systems;

Product Tags:

data transmission unit


data acquisition module

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1 Channel Data Logger Module , GSM GPRS CDMA Communication Data Transfer Unit Images

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