GPRS232-734

  • תיאור

    RS485 Serial GSM Modem

    GPRS232-734 is a RS485 Serial GSM Modem, used for data transparent transmission.

    •  1 RS485 serial port
    • Operation temperature Range of -25° ~85°
    • Quad-Band GSM/GPRS 850/900/1800/1900MHz

    Features

    Introduction

    GPRS232-734 is a new GPRS device developed by USR IOT in 2016. Maturation software functions, covering mostly conventional application scenarios. Users can realize Serial to Network bidirectional transparent data transmission via simple configuration. Supporting custom registration package, heart beat package. Supporting 2 Socket Connection, and USR cloud join in.

    GPRS232-734 use DC power supply and terminal power supply, supporting 5.0V~36.0V wide voltage power supply. RS485 circuit using electrical isolation scheme, has anti-interference ability, suitable for strong electromagnetic interference environment, such as utility industry.

    Features

    Support:GSM850/900,DCS1800/1900,able to be used around the world

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

    Each connection support 4KB data cache, when in abnormal connection choosing data cache to avoid data lost

    Support sending registration package and heartbeat package data

    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 establishing, maintaining and closing network connection by using extension instruction set, more flexibility in application

    Support sending Chinese/English SMS via simple instructions, avoiding PDU sending Chinese SMS which complex and hard use

    Support class RFC2217,can modify module serial parameter via network dynamically

    Support wide voltage 5~36V power supply, using DC power supply and terminal power supply

    RS485 circuit using electrical isolation scheme, has anti-interference ability

    Application

    Application Field

    Power industry: power remote meter reading, substation monitoring, power line monitoring

    Municipal industry: street lamp remote monitoring management, pipe network remote monitoring, urban energy consumption monitoring

    Oil industry: remote monitoring of oil-gas well, GPRS remote oilfield automation detection monitoring system, Gas pipe network monitoring system solutions

    Environmental protection industry: pollution sources monitoring, atmospheric environment monitoring, noise monitoring, dust monitoring

    Agricultural application: greenhouse remote monitoring and management, aquaculture monitoring management, agricultural water pump monitoring management

    Application

    1.Application in public server

    RS485 Serial GSM Modem Application in public server

    2.Use network to extend serial communication distance

    RS485 Serial GSM Modem Use network to extend serial communication distance

    3. Server transit mode

    RS485 Serial GSM Modem, Server transit mode

  • Product Specification

    Wireless Parameter
    Wireless StandardGSM/GPRS/EDGE
    Standard Frequency Band850/900/1800/1900MHz
    Transmitted PowerGSM900 class4 (2W)
    DCS1800 class1 (1W)
    GPRS Terminal Device ClassClass B
    GPRS Multi-slot ClassGPRS Class 10
    GPRS Coding SchemesCS1 ~ CS4
    Antenna OptionSMA interface
    Hardware Parameter
    Data InterfaceRS485 level, 5.08*3 terminals
    Baud Rate2400bps – 921600bps
    Working VoltageDC 5V~36V
    Working Current59mA ~ 65mA (12V)
    Operating Temp.-25° – 85°
    Storage Temp.-40° – 125°
    Size82.5 * 86.0 * 24.0 mm
    RS485 reliabilityElectrical Isolation
    ESD air 15KV
    Surge 4KV (8/20us)
    Software Parameters
    Wireless Network TypeGSM/GPRS/EDGE
    Working ModeTransparent transmission mode, SMS transparent transmission mode and HTTPD mode
    Setting CommandAT+ Command structure
    Network ProtocolTCP/UDP/DNS/HTTP
    Max. TCP Connection2
    User ConfigurationSerial AT command, network AT Command, SMS AT Command
    User Internet ApplicationsSupport custom application software
    Software Functions
    DNSSupport
    Simple Transparent Transmission modeSupport TCP Client /UDP Client
    HTTP protocol transmissionSupport
    SMS transparent transmissionSupport
    Heartbeat PackageSupport
    Class RFC2217Support
    Registration Package MechanismSupport custom/ICCID/IMEI registration package
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