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Continue to ChatAt-Command GSM modem SIM300 part 1 (pengoperasian dengan komputer) https://electroniclib.wordpress.com/2011/01/27/at-command-gsm-modem-sim300-part-1-pengoperasian-dengan-komputer/
At-Command GSM modem SIM300 part 1 (pengoperasian dengan komputer) https://electroniclib.wordpress.com/2011/01/27/at-command-gsm-modem-sim300-part-1-pengoperasian-dengan-komputer/