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GSM module AC21

Allows data transmission using CSD and GPRS technologies (class 10), supports work with the TCP/IP protocol stack, and also provides SMS messaging and faxing.

  • Quad-band GSM: 850/900/1800/1900 MHz
  • Multichannel GPRS, class 10
  • Compliant with GSM phase 2/2+

Output power:

  • Class 4 (2 W) for EGSM850/900
  • Class 1 (1 W) for GSM1800/1900
  • Control via AT commands (Hayes 3GPP TS 27.007, TS 27.005)
  • SIM Application Toolkit support
  • Access to the TCP/IP stack via AT commands
  • Protocol Support: TCP Server/Client, UDP, HTTP, FTP, SMTP, POP3