AT commands
Parameter range
N/A
Default
N/A
CT (Command Mode Timeout)
Sets or displays the Command mode timeout parameter. If a device does not receive any valid
commands within this time period, it returns to Idle mode from Command mode.
Parameter range
2 - 0x1770 (x 100 ms)
Default
0x64 (10 seconds)
GT (Guard Times)
Set the required period of silence before and after the command sequence characters of the
Command mode sequence (GT + CC + GT). The period of silence prevents inadvertently entering
Command mode.
Parameter range
0x2 - 0x95C (x 1 ms)
Default
0x3E8 (one second)
Firmware commands
The following AT commands are firmware commands.
VL (Version Long)
Shows detailed version information including the application build date and time.
Parameter range
[read-only]
Default
N/A
VR (Firmware Version)
Reads the firmware version on a device.
Parameter range
0 - 0xFFFFFFFF [read-only]
XBee®-PRO 900HP/XSC RF Modules
Firmware commands
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