
228 ◾ Lauren Collins
13.3 BLUETOOTH
Bluetooth is a short- range wireless technology utilizing UHF radio
waves in the industrial, scientic, and medical (ISM) band from 2.4 to
2.485 GHz.
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e Bluetooth standard, IEEE 802.15.1, is no longer main-
tained but is managed by a special interest group (SIG). In order to imple-
ment the technology, there are strict qualications that must be met along
with a number of patents. And once the technology is approved for imple-
mentation, the license is only good for that qualifying device. Currently,
Bluetooth version 4.1 is the latest specication announced by SIG. e
update includes new features impro ...