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About the TransPort Preferred system feature

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Article Number000005787
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The "Preferred system" feature on a TransPort forces a certain cellular technology to be exclusively used, or prioritizes certain technologies over others.

Depending on the type of modem module inside TransPort, different options are available.  Common examples are below.

Sierra LTE "L5" module:

Auto - Speed, signal strength and signal quality characteristics determine the "best" technology to use.
2G - Lock to 2G.
3G - Lock to 3G.
4G - Lock to 4G LTE.
4G3G2G - Attempt to use 4G LTE, otherwise 3G, otherwise 2G.
4G3G - Attempt to use 4G LTE, otherwise 3G.
4G2G - Attempt to use 4G LTE, otherwise 2G.
3G2G - Attempt to use 3G, otherwise 2G.

GOBI 3000 "U8" module:

Auto - Speed, signal strength and signal quality characteristics determine the "best" technology to use.
GSM - 2G only mode (option only available when GSM is used)
WCDMA - 3G only mode (option only available when GSM is used)
CDMA - 2G only mode (option only available when CDMA is used)
EVDO - 3G only mode (option only available when CDMA is used)
3G2G - Attempt to use 3G, otherwise 2G (option only available when GSM is used)

Notes:

  • The Preferred system settings are located in Configuration - Network > Interfaces > Mobile > Advanced, in the TransPort web UI.
  • When changing this setting, be sure to Apply the change, perform a "Save All", then Reboot the TransPort.
  • To lock the technology to 4G LTE choose either "4G" or "LTE" depending on which of those two options are available.
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