433Mhz AC DC LoRa Transceiver Module
433Mhz AC DC LoRa Transceiver Module
RS485 NB IoT Transceiver


RS485 to GPRS DTU Overview

IOT-G2S-01 GPRS DTU (Data Terminal Unit), researched and developed by Heyuan Intelligence Technology Co., Ltd., is embedded with high-performance 32-bit CPU and industrial-grade wireless transmission terminal. It is equipped with 1-channel 485 communication interface and supports transparent data transmission and various communication protocols, i.e. Modbus communication protocol, DL/T 645 communication protocol.

RS485 to GPRS DTU Features

  • 1*RS485, supporting various communication protocols, i.e. Modbus communication protocol, DL/T 645 communication protocol
  • Quad band: GSM850MHz / EGSM900MHz / DCS1800 MHz / PCS1900MHz
  • Embedded with advanced MCU STM32F072C8T6, powerful data processing capability
  • Realtime wireless transmission via GPRS(2G)
  • Reliable, economical and efficient design
  • Flexible networking and simple installation

RS485 to GPRS DTU Technical Parameters

Wireless ParametersFrequency BandQuad band: GSM850MHz/EGSM900MHz/DCS1800 MHz/PCS1900MHz
Output PowerClass 4(2W): GSM850MHz/EGSM900MHz
Class 1(1W): DCS1800MHz/PCS1900MHz
RF Sensitivity<-109dBm
Hardware SystemMCUSTM32F072C8T6
XTAL Frequency8MHz
InterfacesSerial Port1*RS485
Power Interfaceterminal interface, power protection
Antenna Interfacestandard SMA antenna interface, characteristic impedance 50Ω
SIM Card Interfacestandard SIM card holder, embedded with ESD protection
Indicator Lamppower, communication, running indicators
Electrical CharacteristicsPower Supply (Optional)AC85~265V/DC5~32V
Power Consumption<2W
OthersWorking Temperature-40℃~85℃
Relative Humidity<95%(non-condensing)
Dimension100mm x 65mm x 25mm


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