<s>
DataTAC	B-General_Concept
is	O
a	O
wireless	O
data	O
network	O
technology	O
originally	O
developed	O
by	O
Mobile	O
Data	O
International	O
which	O
was	O
later	O
acquired	O
by	O
Motorola	O
and	O
deployed	O
in	O
the	O
United	O
States	O
as	O
the	O
ARDIS	O
network	O
.	O
</s>
<s>
DataTAC	B-General_Concept
was	O
also	O
marketed	O
in	O
the	O
mid-1990s	O
as	O
MobileData	O
by	O
Telecom	O
Australia	O
,	O
and	O
is	O
still	O
used	O
by	O
Bell	O
Mobility	O
as	O
a	O
paging	O
network	O
in	O
Canada	O
.	O
</s>
<s>
The	O
first	O
public	O
open	O
and	O
mobile	O
data	O
network	O
using	O
MDI	O
DataTAC	B-General_Concept
was	O
found	O
in	O
Hong	O
Kong	O
as	O
Hutchison	O
Mobile	O
Data	O
Limited	O
(	O
a	O
subsidiary	O
of	O
Hutchison	O
Telecom	O
)	O
,	O
where	O
public	O
end-to-end	O
data	O
services	O
are	O
provided	O
for	O
enterprises	O
,	O
FedEx	O
,	O
and	O
consumer	O
mobile	O
information	O
services	O
were	O
also	O
offered	O
called	O
MobileQuotes	O
with	O
financial	O
information	O
,	O
news	O
,	O
telebetting	O
and	O
stock	O
data	O
.	O
</s>
<s>
DataTAC	B-General_Concept
is	O
an	O
open	O
standard	O
for	O
point	O
to	O
point	O
wireless	O
data	O
communications	O
,	O
similar	O
to	O
Mobitex	O
.	O
</s>
<s>
One	O
of	O
the	O
early	O
DataTAC	B-General_Concept
devices	O
was	O
the	O
Newton	O
Messaging	O
Card	O
,	O
a	O
two-way	O
pager	O
connected	O
to	O
a	O
PC	B-Architecture
card	I-Architecture
using	O
the	O
DataTAC	B-General_Concept
network	O
.	O
</s>
<s>
The	O
original	O
BlackBerry	B-Operating_System
devices	O
,	O
the	O
RIM	O
850	O
and	O
857	O
also	O
used	O
the	O
DataTAC	B-General_Concept
network	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
DataTAC	B-General_Concept
is	O
typically	O
deployed	O
in	O
the	O
800MHz	O
band	O
.	O
</s>
<s>
DataTAC	B-General_Concept
was	O
also	O
deployed	O
in	O
the	O
same	O
band	O
by	O
Telecom	O
Australia	O
(	O
now	O
Telstra	O
)	O
.	O
</s>
<s>
The	O
DataTAC	B-General_Concept
network	O
runs	O
at	O
speeds	O
up	O
to	O
19.2	O
kbit/s	O
,	O
which	O
is	O
not	O
sufficient	O
to	O
handle	O
most	O
of	O
the	O
wireless	O
data	O
applications	O
available	O
today	O
.	O
</s>
<s>
Due	O
to	O
the	O
lower	O
frequency	O
bands	O
that	O
DataTAC	B-General_Concept
uses	O
,	O
in-building	O
coverage	O
is	O
typically	O
better	O
than	O
with	O
newer	O
,	O
higher	O
frequency	O
networks	O
.	O
</s>
<s>
In	O
the	O
1990s	O
a	O
DataTAC	B-General_Concept
network	O
operators	O
group	O
was	O
put	O
together	O
by	O
Motorola	O
called	O
Worldwide	O
Wireless	O
Data	O
Networks	O
Operators	O
Group	O
(	O
WWDNOG	O
)	O
chaired	O
by	O
Shahram	O
Mehraban	O
,	O
Motorola	O
's	O
DataTAC	B-General_Concept
system	O
product	O
manager	O
.	O
</s>
