DM-GSM3 – GSM network modem

The DM-GSM3 industrial modem is a standard GSM modem used in AMiT control systems for SMS data transmission. It supports standard AT commands which means it can cooperate with third-party devices as well. We recommend the GSM Config utility programme for the correct setting of the modem parameters.


GSM frequency 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
Antenna Connected by SMA connector (aerial is not supplied with the modem)
Communication  RS232
Transmission rate  0,3 kBd to 115 kBd
Galvanic separation No
RS232 interface overvoltage protection Yes – (transil 600 W)
Line status indication  Power supply, modem status
Power supply  10 V DC to 30 V DC
Dimensions (w×h×d) (36 × 91 × 73) mm

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