XBee® Wi-Fi RF Modules
© 2013 Digi International, Inc. 73
AT Command
Frame Type: 0x08
Used to query or set module parameters on the local module. This API command applies
changes after executing the command. (Changes made to module parameters take effect once
changes are applied.) The API example below illustrates an API frame when modifying the NI
parameter value of the module.
Frame Fields Offset Example Description
API Packet
Start
Delimiter
0 0x7E
Length
MSB 1 0x00
Number of bytes between the length and the
checksum
LSB 2 0x05
API Frame
Specific
Data
API Frame Identifier 3 0x08
Frame ID 4 0x01
AT Command
MSB 5 0x4E(N)
Command Name - Two ASCII characters that identify
the AT command
LSB 6 0x49(I)
Parameter Value - -
If present, indicates the requested parameter value
to set the given register. If no characters present,
register is queried.
Checksum 7 0x5E
0xFF minus the 8 bit sum of bytes from offset 3 to
this byte.
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