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    ~ New ~
    GTM-203M-3GWA

    The GTM-203M-3GWA is an industrial Quad-band 3G WCDMA cellular modem with RS-232 and USB interfaces working on frequencies of Quad-band WCDMA 850/900/1900/2100 MHz, and Quad-band GSM 850/900/1800/1900 MHz. The GTM-203M-3GWA enables internet connection over 3G, when 3G service is available. It automatically selects 3G or GPRS continue to work.

    Moreover, the GTM-203M-3GWA has the integrated TCP, UDP/IP stack so that even simple controllers with serial communication ports can be connected to the modem without the need for special driver implementation. With the features of GTM-203M-3GWA, the systems can be SMS and 3G/GPRS connection applications with various PLC and PC.
     
     
    • Remote Data Monitor and Control
    • Water, gas and oil flow metering and schedule
    • Power station monitoring and control
    • Oil field, weather forecast, environmental protection, street lamp monitoring and control
    • Fleet management
    • Vending machine
    • Vehicle logistics and diagnostics controlling
     
     
    • Industrial design, making it a reliable cellular solution for data collection and transmission
    • Reliable GSM/GPRS/EDGE/WCDMA/HSPA network connectivity, providing fast and cost-effective long-range wireless applications
    • Designed for Data, SMS and Voice Applications
    • Support TCP Server, TCP Client, UDP Client Connection stack
    • Support Standard AT Commands
    • A Digital Input Channel for Resetting the System
    • LED Indicators for 2G/3G and Power Indication
    • High Reliability in Harsh Environment
    • RS-232 Port Supports 9600 bps to 115200 bps
    • USB 2.0 high speed
    • USB Driver for Windows, LinPAC (Linux 2.6)
    • Mount Easily on DIN-Rail
     
     
       Item
    GTM-203M-3GWA
    GSM / GPRS Interface
    Frequency Band
    GSM 850/900/1800/1900 MHz
    GPRS Connectivity
    GPRS class 12; GPRS station class B
    CSD
    GSM max. 9.6 kb/s
    UMTS max. 64 kb/s
    Coding Schemes
    CS 1, CS 2, CS 3, CS 4
    3G Interface
    Frequency Band
    WCDMA 850/900/1900/2100 MHz
    PSD
    HSUPA max. 5.76 Mb/s
    HSDPA max. 7.2 Mb/s
    WCDMA max. 384 kb/s Download/Upload link
    SMS
    SMS
    MT, MO, CB, Text and PDU mode
    Comm. Interface
    COM Port
    RxD, TxD, GND
    COM Port Baud Rate
    9600 bps ~ 115200 bps (default：115200 bps)
    USB
    USB 2.0 (high speed)
    USB Driver Support
    Windows XP/Vista/7/8/Server 2012
    LED Indicators
    Power
    Red
    3G/GSM
    Green
    Power
    Protection
    Power reverse polarity protection
    Frame Ground Protection
    ESD, Surge, EFT, Hi-Pot
    Required Supply Voltage
    +10 VDC  ~ +30 VDC
    Rated Current
    30 ~ 15 mA / 10 ~ 30 VDC
    Reset Input
    Input Type
    Isolated, 3750 Vrms
    On Voltage Level
    +3.5 VDC ~ +30 VDC
    Off Voltage Level
    +1 VDC max.
    Input Impedance
    3 kΩ, 0.25W
    Mechanical
    Casing
    Metal
    Dimensions (W x L x H)
    28 mm x 78.5 mm x 100 mm
    Installation
    DIN-Rail
    Environmental
    Operating Temperature
    -25℃ to 70℃
    Storage Temperature
    -40℃ to 80℃
    Humidity
    5~90% RH, non-condensing
     
     
       GTM-203M-3GWA CR    Industrial Quad-band 3G WCDMA Modem (Include GTM-203M-A Accessory) (RoHS)
       Contact us   For quotation ; For product information ; For project or solution discussion
     
     
    3m external GPRS/GSM antenna
     
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