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      Industrial Quad-band GPRS/GSM Modem with RS-232 Interface
      Industrial Quad-band GPRS/GSM Modem with USB Interface



    The GTM-201 series are industrial Quad-band GSM/GPRS modems with RS-232 and USB interfaces that work on frequencies of GSM 850 MHz, EGSM 900 MHz, DCS 1800 MHz and PCS 1900 MHz. The modems utilize the GSM/GPRS network for convenient and inexpensive data transfer from remote instruments, meters, computers or control systems in either live data or packet data. GTM-201 series have the integrated TCP/IP stack so that even simple controllers with serial communications ports can be connected to the modem without the need for special driver implementation. With the features of GTM-201 series, the systems can be SMS and GPRS connection applications with various PLC and PC. Moreover, with the voice interface, these modems can also be applied to the alarm system with sounds.


    Application 1 :

    Application 2:

    • Supply Voltage: +10 VDC ~ +30 VDC
    • 4 KV ESD Protection
    • Quad-band GSM/GPRS Modem Operating on 850/900/1800/1900 MHz
    • Designed for GPRS, Data, Fax, SMS and Voice Applications
    • Support TCP Server, TCP Client, UDP Client Connection from GPRS
    • Support Standard AT Commands
    • A Digital Input Channel for Resetting the System
    • Provide the MIC Input and Speaker (32 Ω) Output Interface
    • LED Indicators for GSM and Power Indication
    • High Reliability in Harsh Environment
    • RS-232 Port Supports 9600 bps to 115200 bps (GTM-201-RS232)
    • USB Driver for Windows, WinPAC (WinCE5.0), LinPAC (Linux 2.6) (GTM-201-USB)
    • Mount Easily on DIN-Rail
    GSM/GPRS System
    GPRS/GSM Quad-band 850/900/1800/1900 MHz
    GPRS Multi-slot Class 10/8
    GPRS Mobile Station Class B
    GPRS Class 10 Max. download speed 85.6 kbps
    CSD Up to 9.6 kbps
    Compliant to GSM Phase 2/2+ Class 4 (2 W @ 850/900 MHz); Class 1 (1 W @ 1800/1900 MHz)
    Coding Schemes CS 1, CS 2, CS 3, CS 4
    SMS Text and PDU Mode
    Serial Ports
    Serial Standards RS-232 (DB9 Female) USB (B-TYPE)
    RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND -
    Baud Rate 9600 bps ~ 115200 bps -
    USB Interface - Yes
    Include Cable (CA-USB18) x 1 - USB type A connector (Type A to Type B cable provided)
    Compatibility - USB 1.1 and 2.0 standard
    USB Driver Support - Windows 98 and 2000; Windows XP and XP 64-bit; Windows Vista and Vista 64-bit; Windows XP Embedded; WinPAC (WinCE5.0); LinPAC (Linux kernel 2.6)
    Reset Input
    Input Type Isolated, 3750 Vrms
    On Voltage Level +3.5 VDC ~ +30 VDC
    Off Voltage Level +1V max.
    Input Impedance 3 kΩ, 0.25 W
    LED Indicators
    Power Red color
    GSM/GPRS Green color
    Protection Power reverse polarity protection
    Frame Ground Protection ESD, Surge, EFT, Hi-Pot
    Required Supply Voltage +10 VDC ~ +30 VDC
    Power Consumption Idle: 15 mA @ 24 VDC; Data Link: 40 mA @ 24 VDC; Peak: 48 mA @ 24 VDC
    Connection 5-Pin 3.81 mm Removable Terminal Block
    Casing Plastic
    Flammability UL 94V-0 materials
    Dimensions (W x L x H) 33 mm x 87 mm x 107 mm
    Installation DIN-Rail
    Operating Temperature -25 °C ~ +55 °C
    Storage Temperature -40 °C ~ +80 °C
    Ambient Relative Humidity 5 ~ 90% RH, non-condensing
    OS X86 X64
        Windows XP V --
        Windows 7 Starter V V
        Windows 7 Home basic V V
        Windows 7 Home Premium V V
        Windows 7 Professional V V
        Windows 7 Ultimate V V
        Windows 8 V V
        Windows 8 Professional V V
        Windows 8 Enterprise V V
        Windows server 2008 -- V
        Windows home service 2011 -- V
        Windows 2012 -- V
    Wireless 2G/3G library, supports G-4500 series, μPAC-5000 series and iP-8000
       GTM-201-RS232 CR    Industrial Quad-band GPRS/GSM Modem with RS-232 Interface (RoHS)
       GTM-201-USB CR    Industrial Quad-band GPRS/GSM Modem with USB Interface (RoHS)
       Contact us    For quotation ; For product information ; For project or solution discussion
    3m external GPRS/GSM antenna