<s>
WirelessHART	B-Device
within	O
telecommunications	O
and	O
computing	O
,	O
is	O
a	O
wireless	B-Architecture
sensor	I-Architecture
networking	I-Architecture
technology	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
Highway	B-Protocol
Addressable	I-Protocol
Remote	I-Protocol
Transducer	I-Protocol
Protocol	I-Protocol
(	O
HART	O
)	O
.	O
</s>
<s>
Developed	O
as	O
a	O
multi-vendor	O
,	O
interoperable	O
wireless	O
standard	O
,	O
WirelessHART	B-Device
was	O
defined	O
for	O
the	O
requirements	O
of	O
process	O
field	O
device	O
networks	O
.	O
</s>
<s>
The	O
protocol	O
supports	O
operation	O
in	O
the	O
2.4GHz	B-Algorithm
ISM	B-Algorithm
band	I-Algorithm
using	O
IEEE	O
802.15.4	O
standard	O
radios	O
.	O
</s>
<s>
The	O
underlying	O
wireless	O
technology	O
is	O
based	O
on	O
the	O
work	O
of	O
Dust	O
Networks	O
 '	O
TSMP	B-Device
technology	O
.	O
</s>
<s>
The	O
standard	O
was	O
initiated	O
in	O
early	O
2004	O
and	O
developed	O
by	O
37	O
HART	O
Communications	O
Foundation	O
(	O
HCF	O
)	O
companies	O
that	O
-	O
amongst	O
others	O
-	O
included	O
ABB	O
,	O
Emerson	O
,	O
Endress+Hauser	O
,	O
Pepperl+Fuchs	O
,	O
Siemens	O
,	O
Freescale	O
Semiconductor	O
,	O
Software	O
Technologies	O
Group	O
(	O
which	O
developed	O
the	O
initial	O
WirelessHART	B-Device
WiTECK	O
stack	O
)	O
,	O
and	O
AirSprite	O
Technologies	O
which	O
went	O
on	O
to	O
form	O
WiTECK	O
,	O
an	O
open	O
non-profit	O
membership	O
organization	O
whose	O
mission	O
is	O
to	O
provide	O
a	O
reliable	O
,	O
cost-effective	O
,	O
high-quality	O
portfolio	O
of	O
core	O
enabling	O
system	O
software	O
for	O
industrial	O
wireless	O
sensing	O
applications	O
,	O
under	O
a	O
company	O
and	O
platform-neutral	O
umbrella	O
.	O
</s>
<s>
WirelessHART	B-Device
was	O
approved	O
by	O
a	O
vote	O
of	O
the	O
210	O
member	O
general	O
HCF	O
membership	O
,	O
ratified	O
by	O
the	O
HCF	O
Board	O
of	O
Directors	O
,	O
and	O
introduced	O
to	O
the	O
market	O
in	O
September	O
2007	O
.	O
</s>
<s>
On	O
September	O
27	O
,	O
2007	O
,	O
the	O
Fieldbus	B-Application
Foundation	I-Application
,	O
Profibus	O
Nutzerorganisation	O
,	O
and	O
HCF	O
announced	O
a	O
wireless	O
cooperation	O
team	O
to	O
develop	O
a	O
specification	O
for	O
a	O
common	O
interface	O
to	O
a	O
wireless	O
gateway	O
,	O
further	O
protecting	O
users	O
 '	O
investments	O
in	O
technology	O
and	O
work	O
practices	O
for	O
leveraging	O
these	O
industry-pervasive	O
networks	O
.	O
</s>
<s>
Following	O
its	O
completed	O
work	O
on	O
the	O
WirelessHART	B-Device
standard	O
in	O
September	O
2007	O
,	O
the	O
HCF	O
offered	O
International	O
Society	O
of	O
Automation	O
(	O
ISA	O
)	O
an	O
unrestricted	O
,	O
royalty-free	O
copyright	O
license	O
,	O
allowing	O
the	O
ISA100	B-Device
committee	O
access	O
to	O
the	O
WirelessHART	B-Device
standard	O
.	O
</s>
<s>
In	O
September	O
2008	O
,	O
Emerson	O
became	O
the	O
first	O
process	O
automation	O
supplier	O
to	O
begin	O
production	O
shipments	O
for	O
its	O
WirelessHART	B-Device
enabled	O
products	O
.	O
</s>
<s>
During	O
the	O
summer	O
of	O
2009	O
NAMUR	O
,	O
an	O
international	O
user	O
association	O
in	O
the	O
chemical	O
and	O
pharmaceutical	O
processing	O
industries	O
,	O
conducted	O
a	O
field	O
test	O
of	O
WirelessHART	B-Device
to	O
verify	O
alignment	O
with	O
the	O
NAMUR	O
requirements	O
for	O
wireless	O
automation	O
in	O
process	O
applications	O
.	O
</s>
<s>
WirelessHart	B-Device
was	O
approved	O
by	O
the	O
International	O
Electrotechnical	O
Commission	O
(	O
IEC	O
)	O
in	O
January	O
2009	O
with	O
revision	O
released	O
in	O
April	O
2010	O
.	O
</s>
