GSM GPRS Modem, serial rs232 rs485 to gsm DTU modem

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GSM GPRS Modem, serial rs232 rs485 to gsm DTU modem
GSM GPRS Modem, serial rs232 rs485 to gsm DTU modem
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Price: $29.00
Availability: In Stock
Model: USR-GPRS232-730
Manufacturer: USR IOT
Average Rating: Not Rated

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include $25 shipping cost.

Unique Features

1.Support GSM850/900 DCS1800/1900

2.Support Httpd Client

3.Support GSM/GPRS and 2G/3G/4G card, but don't support 3G/4G network

4.Support SMS transmission mode, network transmission mode and HTTPD mode

GPRS DTU Download

User Manual: USR-GPRS232-730

Client Support Center: submit your ticket at h.usriot.com If you have technical problems about the product.

GPRS DTU Introduction

This is a RS232/RS485 to gprs dtu,used for data transparent transmission.USR-GPRS232-730 GPRS DTU (Data Transfer unit) is a wireless terminal equipment which can convert serial data to IP data or convert IP data to serial data through gprs network.730 is based on USR-GM3.Clients can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command.

GPRS DTU Feature

  • Support RS232/RS485 interface, choose before purchase;
  • Support GSM850/900,DCS1800/1900
  • Support GSM/GPRS and 2G/3G/4G card, but don't support 3G/4G network
  • Support TCP and UDP
  • Support register packet and heartbeat packet
  • Support remote configuration via SMS
  • Support multi work modes: SMS transmission mode,network transmission mode and HTTPD mode
  • Support basic instruction set and extension instruction set
  • Support class RFC2217, can dynamically modify serial parameter of module via network
  • Support hardware flow control RTS/CTS

GPRS DTU Parameter

Parameter Value
Working Voltage DC 9~ 24V
Working Current Average: 22 ~ 45mA, Max: 201mA
Working Temperature -25 ~ 85°C
Storage Temperature -40 ~ 125°C
Storage Humidity 5 ~ 95% RH
Max Launch Power GSM900 class4 (2W), DCS1800 class1 (1W)
Working Frequency 850/900/1800/1900MHz
Size 80 x 84 x 25 mm
Network Protocol TCP, UDP, DNS, Http
Packing List USR-GPRS232-730*1,12V1A power,serial line,GPRS sucker antenna

GPRS DTU Function

GPRS DTU Images



Tags: gsm modem
Network
Standard GSM / GPRS
Rate 14.4 Kbps ~ 57.6 Kbps
Standard Frequency Range 850/900/1800/1900MHz
GPRS Multi-slot Class GPRS Class 10
GPRS Terminal Device Class Class B
GPRS Coding Schemes CS1 ~ CS4
Max Launch Power GSM900 class4 (2W), DCS1800 class1(1W)
Application GSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission
Network Protocol TCP, UDP, DNS, Http
Network Link Count 4
Disconnection Buffer 4 x 15K bytes
Network Receive Buffer 4K byte
Serial
Port Number 2 (1*RS-232, 1*RS-485, can not work at the same time)
Interface Standard RS-232: DB9 cellular type, RS-485: 2 wire (A+, B-)
Data Bit 5, 6, 7, 8
Stop Bit 1, 1.5, 2
Check Bit None, Even, Odd
Baud Rate UART: 2400 bps ~ 921600 bps
Flow Control RTS/CTS
Receive Buffer 4K byte
RS-485 Pull-up and Pull-down Resistor 2.2 KΩ
Device Interface
Antenna Interface 50Ω/SMA-K (female terminal)
SIM Card 1.8V / 3V
Speech Interface Null
Software
Virtual Serial(USR-VCOM) Windows 2000 or higher (32 bit/64 bit)
Configuration Serial AT command, network AT command, SMS AT command
Basic Parameter
Size 80x 84 x 25(mm)
Operating Temp. -25 ~ 85°C
Storage Temp. -40 ~ 125°C
Input Voltage DC 5 ~ 36 V
Working Current Average: 22 ~ 45mA, Max: 201mA
More
Warranty 2 years
Accessory 12V1A power, serial line, GPRS sucker antenna
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