GSM : GSMBand class
Sets the frequency band the modem connects to. Check http://www.worldtimezone.com/gsm.html for general GSM band information. Typical regional configurations are :
type : String identifying what frequency band the modem should connect to :
boolean : returns
true if the process is successful,
false if it is not
Corrections, suggestions, and new documentation should be posted to the Forum.
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