<s>
IEEE	B-General_Concept
802.11ad	I-General_Concept
is	O
an	O
amendment	O
to	O
the	O
IEEE	O
802.11	O
wireless	O
networking	O
standard	O
,	O
developed	O
to	O
provide	O
a	O
Multiple	O
Gigabit	O
Wireless	O
System	O
(	O
MGWS	O
)	O
standard	O
at	O
60GHz	O
frequency	O
,	O
and	O
is	O
a	O
networking	O
standard	O
for	O
WiGig	O
networks	O
.	O
</s>
<s>
Because	O
it	O
uses	O
the	O
V	B-Algorithm
band	I-Algorithm
of	O
millimeter	O
wave	O
(	O
mmW	O
)	O
frequency	O
,	O
the	O
range	O
of	O
IEEE	B-General_Concept
802.11ad	I-General_Concept
communication	O
would	O
be	O
rather	O
limited	O
(	O
just	O
a	O
few	O
meters	O
and	O
difficult	O
to	O
pass	O
through	O
obstacles/walls	O
)	O
compared	O
to	O
other	O
conventional	O
Wi-Fi	O
systems	O
.	O
</s>
<s>
However	O
,	O
the	O
high	O
frequency	O
allows	O
it	O
to	O
use	O
more	O
bandwidth	B-Algorithm
which	O
in	O
turn	O
enables	O
the	O
transmission	O
of	O
data	O
at	O
high	O
data	O
rates	O
up	O
to	O
multiple	O
gigabits	O
per	O
second	O
,	O
enabling	O
usage	O
scenarios	O
like	O
transmission	O
of	O
uncompressed	O
UHD	O
video	O
over	O
the	O
wireless	O
network	O
.	O
</s>
<s>
The	O
frequency	O
band	O
is	O
subdivided	O
into	O
6	O
(	O
previously	O
4	O
)	O
different	O
channels	O
in	O
IEEE	B-General_Concept
802.11ad	I-General_Concept
,	O
each	O
of	O
them	O
occupy	O
2160MHz	O
of	O
space	O
and	O
provide	O
1760MHz	O
of	O
bandwidth	B-Algorithm
.	O
</s>
<s>
Some	O
of	O
these	O
frequencies	O
might	O
not	O
be	O
available	O
for	O
the	O
use	O
of	O
IEEE	B-General_Concept
802.11ad	I-General_Concept
networks	O
around	O
the	O
world	O
(	O
reserved	O
for	O
other	O
purposes	O
or	O
requires	O
licenses	O
)	O
.	O
</s>
<s>
Below	O
is	O
a	O
list	O
of	O
available	O
unlicensed	O
spectrums	O
for	O
IEEE	B-General_Concept
802.11ad	I-General_Concept
in	O
different	O
parts	O
of	O
the	O
world	O
:	O
</s>
