<s>
The	O
neuRFon	B-Device
project	O
(	O
named	O
for	O
a	O
combination	O
of	O
"	O
neuron	O
"	O
and	O
"	O
RF	O
"	O
)	O
was	O
a	O
research	O
program	O
begun	O
in	O
1999	O
at	O
Motorola	O
Labs	O
to	O
develop	O
ad	O
hoc	O
wireless	O
networking	O
for	O
wireless	B-Architecture
sensor	I-Architecture
network	I-Architecture
applications	O
.	O
</s>
<s>
Much	O
of	O
the	O
technology	O
developed	O
in	O
the	O
neuRFon	B-Device
program	O
was	O
placed	O
in	O
the	O
IEEE	O
802.15.4	O
standard	O
and	O
in	O
the	O
Zigbee	B-Protocol
specification	I-Protocol
;	O
examples	O
are	O
the	O
2.4	O
GHz	O
physical	B-Application
layer	I-Application
of	O
the	O
IEEE	O
802.15.4	O
standard	O
and	O
significant	O
portions	O
of	O
the	O
Zigbee	B-Protocol
multi-hop	O
routing	B-Protocol
protocol	O
.	O
</s>
