Digi XBee Cellular LTE Cat 1 User Manual page 46

Modes
2. If the device does not receive any valid AT commands within the time specified by CT
(Command Mode Timeout), it returns to Transparent or API mode. The default Command Mode
Timeout is 10 seconds.
For an example of programming the device using AT Commands and descriptions of each configurable
parameter, see AT
Digi XBee Cellular LTE Cat 1 Embedded Modem User Guide
commands.
Command mode
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