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eWON wiki > eWON Support > Knowledge Base > Questions and Answers > How change the GSM bands between EU and US

How change the GSM bands between EU and US

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The Wavecom GSM modem (Q2686 and Q2687) are Quad Band GSM, but these four bands are not availables at the same time.

At production time, these modem are configured to operate in Europe with the frequencies 900 MHz and 1800 MHz.

To configure these modems to operate in USA (850-1900 MHz), you need to put the parameter
   GsmBand:5
in the comcfg.txt file and reboot the eWON.

 

Frequencies GsmBand
param
850-1900 MHz
(USA bands)		 5
900-1800 MHz
(EU bands)		 6
900-1900 MHz
(EU + USA)		 7