Specifications

HDM102GG-232 is a full band (850/900/1800/1900 MHz) GSM/GPRS modem intended for data transmission via cellular communication networks with GPRS support  for class 12  and TCP/IP protocol stack. Among its main functions are data transmission by use of CSD and GPRS technologies, reception and transmission of voice signals, faxes and SMS-messages. Modem has RS232 communication interface. Connection to this interface is carried out through terminal connector which allows UART connection of one external device.  Available network protocols: TCP, UDP, HTTP, FTP, SMTP, POP3 Control by AT-commands (Hayes 3GPP TS 27.007, TS 27.005) Toolkit for SIM-aplications