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  • GTM-203M-3GWA CR
  • GTM-203M-3GWA CR
  • GTM-203M-3GWA CR
  • GTM-203M-3GWA CR


3G WCDMA Modem/Quad-band/GSM

  • Reliable GSM/GPRS/EDGE/WCDMA/HSPA network connectivity
  • 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
2-3 Wochen

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.