XBee S1 User Manual

entries will show the configuration settings for that, specific XBee.
Note that there are two XBees in the list on the left. The configuration values shown are for the highlighted XBee.
If you're ever unsure which XBee is which, try to match up the MAC numbers. These numbers are printed on a sticker on the bottom side
of your XBee, and they're also listed in XCTU. (It's listed as the "Serial Number" high and low, and is un-modifiable.)
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XBee S1 Specifications

General

Brand	XBee
Model	S1
Category	Control Unit
Language	English