GPRS232-7S3

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  • Description

    UART TTL GPRS/GSM Module

    GPRS232-7S3 is a Low Cost UART TTL GPRS/GSM Module, based on  GM3 gprs module. Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command. Features of Low Cost Gsm Modules

    • PIN Type
    • Operation temperature Range of -25° ~85°
    • Quad-Band GSM/GPRS 850/900/1800/1900MHz

    Features

    Introduction of Low Cost Gsm Modules

    The Low Cost Gsm Modules, used for data transparent transmission. GPRS232-7S3 is highly-integrated UART to GSM/GPRS module. Users can easily make communication with it among serial device, cellphone and network device. GPRS232-7S3 is based on GM3 gprs module. Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command.

    Features of Low Cost Gsm Modules

    Support GSM850/900,DCS1800/1900
    Support GSM/GPRS and 2G/3G/4G card, but don’t support 3G/4G network
    Support 2 sockets, Support TCP and UDP
    4KB cache for each of sockets, user can choose to cache data or not
    Support register packet and heartbeat packet
    Support setting parameters via SMS message
    Support multi work modes: SMS transmission mode, network transmission mode and HTTPD mode
    Support basic and extend AT command sets
    Support class RFC2217, can dynamically modify serial parameter of module via network
    Support flow control: RTS/CTS

    Function Structure of Low Cost Gsm Modules

    Function Structure of Low Cost Gsm Modules

    Application Field of Low Cost Gsm Modules

    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 Field of Low Cost Gsm Modules

     

  • Product Specification

    Network
    StandardGSM / GPRS
    Rate14.4 Kbps ~ 57.6 Kbps
    Standard Frequency Range850/900/1800/1900MHz
    GPRS Multi-slot ClassGPRS Class 10
    GPRS Terminal Device ClassClass B
    GPRS Coding SchemesCS1 ~ CS4
    Max Launch PowerGSM900 class4 (2W), DCS1800 class1 (1W)
    ApplicationGSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission
    Network ProtocolTCP, UDP, DNS,Http
    Network Link Count2
    Network BufferSend: 4K bytes, receive: 4K bytes
    Serial
    Port Number1
    Interface StandardTTL: 2.54 pin type 2.8 ~ 3.6 V
    Data Bits5, 6, 7, 8
    Stop Bit1, 2
    Check BitNone, Even, Odd
    Baud Rate2400 bps ~ 921600 bps
    Flow ControlCTS/RTS
    BufferReceive and send 4K bytes respectively
    Device Interface
    Antenna InterfaceIPEX
    SIM Card1.8V / 3V
    Speech Interface1 MIC input, 1 SPEAK output
    Software
    Virtual Serial（USR-VCOM）Windows 2000 or higher (32 bit/64 bit)
    ConfigurationSerial AT command, SMS AT command, network AT command
    Basic Parameter
    Size44.5 x 32 x 13(mm)
    Operating Temp.-25 ~ 85°C
    Storage Temp.-40 ~ 125°C, 5 ~ 95% RH（no condensation）
    Input VoltageDC 5 ~ 16 V
    Working CurrentAverage: 35 ~ 48mA, max: 394mA(12v)
    More
    Warranty2 years
    AccessoryPCB Antenna

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