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ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
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GTM-201 Series User Manual
Chapter 1 Introduction
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.
Publication Jul, 2013 Ver. 1.06
3
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