<s>
AirPort	O
is	O
a	O
discontinued	O
line	O
of	O
wireless	B-Device
routers	I-Device
and	O
network	B-Protocol
cards	I-Protocol
developed	O
by	O
Apple	O
Inc	O
.	O
using	O
Wi-Fi	O
protocols	O
.	O
</s>
<s>
In	O
Japan	O
,	O
the	O
line	O
of	O
products	O
was	O
marketed	O
under	O
the	O
brand	O
AirMac	B-Device
due	O
to	O
previous	O
registration	O
by	O
I-O	O
Data	O
.	O
</s>
<s>
Wireless	B-General_Concept
cards	I-General_Concept
were	O
discontinued	O
in	O
2009	O
following	O
the	O
Mac	B-Device
transition	I-Device
to	I-Device
Intel	I-Device
processors	I-Device
,	O
after	O
all	O
of	O
Apple	O
's	O
Mac	O
products	O
had	O
adopted	O
built-in	O
Wi-Fi	O
.	O
</s>
<s>
Apple	O
's	O
line	O
of	O
wireless	B-Device
routers	I-Device
consisted	O
of	O
the	O
AirPort	O
Base	O
Station	O
(	O
later	O
AirPort	B-Device
Extreme	I-Device
)	O
;	O
the	O
AirPort	B-Device
Time	I-Device
Capsule	I-Device
,	O
a	O
variant	O
with	O
a	O
built-in	O
hard	O
disk	O
for	O
automated	O
backups	O
;	O
and	O
the	O
AirPort	O
Express	O
,	O
a	O
compact	O
router	O
.	O
</s>
<s>
The	O
remaining	O
inventory	O
was	O
sold	O
off	O
,	O
and	O
Apple	O
later	O
retailed	O
routers	O
from	O
Linksys	O
,	O
Netgear	O
,	O
and	O
Eero	B-Application
in	O
Apple	O
retail	O
stores	O
.	O
</s>
<s>
AirPort	O
debuted	O
in	O
1999	O
,	O
as	O
"	O
one	O
more	O
thing	O
"	O
at	O
Macworld	O
New	O
York	O
,	O
with	O
Steve	O
Jobs	O
picking	O
up	O
an	O
iBook	B-Device
supposedly	O
to	O
give	O
the	O
cameraman	O
a	O
better	O
shot	O
as	O
he	O
surfed	O
the	O
Web	O
.	O
</s>
<s>
The	O
initial	O
offering	O
consisted	O
of	O
an	O
optional	O
expansion	O
card	O
for	O
Apple	O
's	O
new	O
line	O
of	O
iBook	B-Device
notebooks	O
and	O
an	O
AirPort	O
Base	O
Station	O
.	O
</s>
<s>
The	O
AirPort	O
card	O
(	O
a	O
repackaged	O
Lucent	O
ORiNOCO	B-Device
Gold	O
Card	O
PC	B-Architecture
Card	I-Architecture
adapter	I-Architecture
)	O
was	O
later	O
added	O
as	O
an	O
option	O
for	O
almost	O
all	O
of	O
Apple	O
's	O
product	O
line	O
,	O
including	O
PowerBooks	B-Device
,	O
eMacs	B-Device
,	O
iMacs	B-Device
,	O
and	O
Power	B-Device
Macs	I-Device
.	O
</s>
<s>
Only	O
Xserves	B-Device
did	O
not	O
have	O
it	O
as	O
a	O
standard	O
or	O
optional	O
feature	O
.	O
</s>
<s>
In	O
2003	O
,	O
Apple	O
introduced	O
AirPort	B-Device
Extreme	I-Device
,	O
based	O
on	O
the	O
802.11g	O
specification	O
,	O
using	O
Broadcom	O
's	O
BCM4306/BCM2050	O
two-chip	O
solution	O
.	O
</s>
<s>
AirPort	B-Device
Extreme	I-Device
allows	O
theoretical	O
peak	O
data	O
transfer	O
rates	O
of	O
up	O
to	O
54Mbit/s	O
,	O
and	O
is	O
fully	O
backward-compatible	O
with	O
existing	O
802.11b	O
wireless	B-General_Concept
network	I-General_Concept
cards	I-General_Concept
and	O
base	B-Device
stations	I-Device
.	O
</s>
<s>
Several	O
of	O
Apple	O
's	O
desktop	O
computers	O
and	O
portable	O
computers	O
,	O
including	O
the	O
MacBook	B-Device
Pro	I-Device
,	O
MacBook	B-Device
,	O
Mac	B-Device
Mini	I-Device
,	O
and	O
iMac	B-Device
shipped	O
with	O
an	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11g	O
)	O
card	O
as	O
standard	O
.	O
</s>
<s>
All	O
other	O
Macs	B-Device
of	O
the	O
time	O
had	O
an	O
expansion	O
slot	O
for	O
the	O
card	O
.	O
</s>
<s>
AirPort	O
and	O
AirPort	B-Device
Extreme	I-Device
cards	O
are	O
not	O
physically	O
compatible	O
:	O
AirPort	B-Device
Extreme	I-Device
cards	O
cannot	O
be	O
installed	O
in	O
older	O
Macs	B-Device
,	O
and	O
AirPort	O
cards	O
cannot	O
be	O
installed	O
in	O
newer	O
Macs	B-Device
.	O
</s>
<s>
It	O
can	O
be	O
used	O
as	O
a	O
portable	O
travel	O
router	O
,	O
using	O
the	O
same	O
AC	O
connectors	O
as	O
on	O
Apple	O
's	O
AC	O
adapters	O
;	O
as	O
an	O
audio	O
streaming	O
device	O
,	O
with	O
both	O
line-level	O
and	O
optical	B-Protocol
audio	I-Protocol
outputs	O
;	O
and	O
as	O
a	O
USB	B-Protocol
printer	O
sharing	O
device	O
,	O
through	O
its	O
USB	B-Protocol
host	O
port	O
.	O
</s>
<s>
In	O
2007	O
,	O
Apple	O
unveiled	O
a	O
new	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11	O
Draft-N	O
)	O
Base	O
Station	O
,	O
which	O
introduced	O
802.11	O
Draft-N	O
to	O
the	O
Apple	B-Device
AirPort	I-Device
product	O
line	O
.	O
</s>
<s>
The	O
number	O
of	O
Ethernet	O
ports	O
was	O
increased	O
to	O
four	O
—	O
one	O
nominally	O
for	O
WAN	O
,	O
three	O
for	O
LAN	B-General_Concept
,	O
but	O
all	O
can	O
be	O
used	O
in	O
bridged	O
mode	O
.	O
</s>
<s>
A	O
USB	B-Protocol
port	I-Protocol
was	O
included	O
for	O
printers	O
and	O
other	O
USB	B-Protocol
devices	I-Protocol
.	O
</s>
<s>
The	O
styling	O
is	O
similar	O
to	O
that	O
of	O
the	O
Mac	B-Device
Mini	I-Device
and	O
Apple	B-Device
TV	I-Device
.	O
</s>
<s>
In	O
January	O
2008	O
,	O
Apple	O
introduced	O
Time	B-Device
Capsule	I-Device
,	O
an	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11	O
Draft-N	O
)	O
with	O
an	O
internal	O
hard	O
drive	O
.	O
</s>
<s>
Macs	B-Device
running	O
Mac	O
OS	O
X	O
10.5	O
and	O
later	O
,	O
which	O
includes	O
the	O
Time	B-Operating_System
Machine	I-Operating_System
feature	O
,	O
can	O
use	O
the	O
Time	B-Device
Capsule	I-Device
as	O
a	O
wireless	O
backup	O
device	O
,	O
allowing	O
automatic	O
,	O
untethered	O
backups	O
of	O
the	O
client	O
computer	O
.	O
</s>
<s>
As	O
an	O
access	O
point	O
,	O
the	O
unit	O
is	O
otherwise	O
equivalent	O
to	O
an	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11	O
Draft-N	O
)	O
,	O
with	O
four	O
Gigabit	O
Ethernet	O
ports	O
and	O
a	O
USB	B-Protocol
port	I-Protocol
for	O
printer	O
and	O
disk	O
sharing	O
.	O
</s>
<s>
All	O
other	O
features	O
(	O
analog	O
and	O
digital	B-Protocol
optical	I-Protocol
audio	O
out	O
,	O
single	O
Ethernet	O
port	O
,	O
USB	B-Protocol
port	I-Protocol
for	O
printer	O
sharing	O
)	O
remained	O
the	O
same	O
.	O
</s>
<s>
In	O
March	O
2009	O
,	O
Apple	O
unveiled	O
AirPort	B-Device
Extreme	I-Device
and	O
Time	B-Device
Capsule	I-Device
products	O
with	O
simultaneous	O
dual-band	O
802.11	O
Draft-N	O
radios	O
.	O
</s>
<s>
In	O
October	O
2009	O
,	O
Apple	O
unveiled	O
the	O
updated	O
AirPort	B-Device
Extreme	I-Device
and	O
Time	B-Device
Capsule	I-Device
products	O
with	O
antenna	O
improvements	O
(	O
the	O
5.8GHz	O
model	O
)	O
.	O
</s>
<s>
In	O
2011	O
,	O
Apple	O
unveiled	O
an	O
updated	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
,	O
referred	O
to	O
as	O
AirPort	B-Device
Extreme	I-Device
802.11n	I-Device
(	O
5th	O
Generation	O
)	O
.	O
</s>
<s>
The	O
latest	O
AirPort	O
base	B-Device
stations	I-Device
and	O
cards	O
work	O
with	O
third-party	O
base	B-Device
stations	I-Device
and	O
wireless	B-General_Concept
cards	I-General_Concept
that	O
conformed	O
to	O
the	O
802.11a	O
,	O
802.11b	O
,	O
802.11g	O
,	O
802.11	O
Draft-N	O
,	O
and	O
802.11	O
Final-N	O
networking	O
standards	O
.	O
</s>
<s>
It	O
was	O
not	O
uncommon	O
to	O
see	O
wireless	O
networks	O
composed	O
of	O
several	O
types	O
of	O
AirPort	O
base	O
station	O
serving	O
old	O
and	O
new	O
Macintosh	B-Device
,	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
Linux	B-Application
systems	O
.	O
</s>
<s>
Apple	O
's	O
software	B-Application
drivers	I-Application
for	O
AirPort	B-Device
Extreme	I-Device
also	O
supported	O
some	O
Broadcom	O
and	O
Atheros-based	O
PCI	O
Wireless	B-General_Concept
adapters	I-General_Concept
when	O
fitted	O
to	O
Power	B-Device
Mac	I-Device
computers	O
.	O
</s>
<s>
In	O
approximately	O
2016	O
,	O
Apple	O
disbanded	O
its	O
wireless	B-Device
router	I-Device
team	O
.	O
</s>
<s>
Bloomberg	O
News	O
noted	O
that	O
"	O
Apple	O
rarely	O
discontinues	O
product	O
categories	O
"	O
and	O
that	O
its	O
decision	O
to	O
leave	O
the	O
business	O
was	O
"	O
a	O
boon	O
for	O
other	O
wireless	B-Device
router	I-Device
makers.	O
"	O
</s>
<s>
+	O
Overview	O
of	O
AirPort	O
(	O
AirMac	B-Device
)	O
-branded	O
products	O
Family	O
brand	O
Image	O
Functions	O
Introduced	O
/	O
Discontinued	O
Card	O
alt	O
=	O
Card	O
not	O
Base	O
Station|125px	O
Adds	O
wireless	O
networking	O
interface	O
to	O
Macintosh	B-Device
personal	O
computers	O
1999	O
–	O
2005	O
Base	O
Station	O
125px	O
Wireless	O
networking	O
switch	O
and	O
internet	O
router	O
1999	O
–	O
2003	O
Extreme	O
125px	O
Wireless	O
networking	O
switch	O
and	O
internet	O
router	O
;	O
USB	B-Protocol
print	O
server	O
.	O
</s>
<s>
Later	O
(	O
square-shaped	O
)	O
versions	O
added	O
network-attached	O
USB	B-Protocol
storage	O
&	O
backup	O
.	O
</s>
<s>
An	O
AirPort	O
router	O
is	O
used	O
to	O
connect	O
AirPort-enabled	O
computers	O
to	O
the	O
Internet	O
,	O
each	O
other	O
,	O
a	O
wired	O
LAN	B-General_Concept
,	O
and/or	O
other	O
devices	O
.	O
</s>
<s>
The	O
original	O
AirPort	O
Base	O
Station	O
(	O
known	O
as	O
Graphite	O
,	O
model	O
M5757	O
,	O
part	O
number	O
M7601LL/B	O
)	O
features	O
a	O
dial-up	B-Application
modem	I-Application
and	O
an	O
Ethernet	O
port	O
.	O
</s>
<s>
It	O
employs	O
a	O
Lucent	O
WaveLAN	O
Silver	O
PC	B-Architecture
Card	I-Architecture
as	O
the	O
Radio	O
,	O
and	O
uses	O
an	O
embedded	O
AMD	O
Élan	O
SC410	O
processor	O
.	O
</s>
<s>
Aftermarket	O
Linux	B-Application
firmware	O
has	O
been	O
developed	O
for	O
these	O
units	O
to	O
extend	O
their	O
useful	O
service	O
life	O
.	O
</s>
<s>
Also	O
new	O
(	O
but	O
available	O
for	O
the	O
original	O
model	O
via	O
software	O
update	O
)	O
was	O
the	O
ability	O
to	O
connect	O
to	O
and	O
share	O
America	O
Online	O
's	O
dial-up	O
service	O
—	O
a	O
feature	O
unique	O
to	O
Apple	O
base	B-Device
stations	I-Device
.	O
</s>
<s>
This	O
model	O
is	O
based	O
on	O
Motorola	O
's	O
PowerPC	B-Architecture
855	O
processor	O
and	O
contained	O
a	O
fully	O
functional	O
original	O
AirPort	O
Card	O
,	O
which	O
can	O
be	O
removed	O
and	O
used	O
in	O
any	O
compatible	O
Macintosh	B-Device
computer	O
.	O
</s>
<s>
Three	O
different	O
configurations	O
of	O
model	O
A1034	O
are	O
all	O
called	O
the	O
"	O
AirPort	B-Device
Extreme	I-Device
Base	I-Device
Station	I-Device
"	O
:1	O
.	O
</s>
<s>
M8799LL/A	O
–	O
2	O
ethernet	O
ports	O
,	O
1	O
USB	B-Protocol
port	I-Protocol
,	O
external	O
antenna	O
connector	O
,	O
1	O
56k	O
(	O
V.90	O
)	O
modem	B-Application
port2	O
.	O
</s>
<s>
M8930LL/A	O
–	O
2	O
ethernet	O
ports	O
,	O
1	O
USB	B-Protocol
port	I-Protocol
,	O
external	O
antenna	O
connector.3	O
.	O
</s>
<s>
The	O
AirPort	O
Base	O
Station	O
was	O
discontinued	O
after	O
the	O
updated	O
AirPort	B-Device
Extreme	I-Device
was	O
on	O
January	O
7	O
,	O
2003	O
.	O
</s>
<s>
In	O
addition	O
to	O
providing	O
wireless	O
connection	O
speeds	O
of	O
up	O
to	O
a	O
maximum	O
of	O
54Mbit/s	O
,	O
it	O
adds	O
an	O
external	O
antenna	O
port	O
and	O
a	O
USB	B-Protocol
port	I-Protocol
.	O
</s>
<s>
The	O
antenna	O
port	O
allows	O
the	O
addition	O
of	O
a	O
signal-boosting	O
antenna	O
,	O
and	O
the	O
USB	B-Protocol
port	I-Protocol
allows	O
the	O
sharing	O
of	O
a	O
USB	B-Protocol
printer	O
.	O
</s>
<s>
A	O
connected	O
printer	O
is	O
made	O
available	O
via	O
Bonjour	B-Application
's	O
"	O
zero	B-Application
configuration	I-Application
"	O
technology	O
and	O
IPP	B-Protocol
to	O
all	O
wired	O
and	O
wireless	O
clients	O
on	O
the	O
network	O
.	O
</s>
<s>
The	O
CPU	B-Device
is	O
an	O
AU1500-333MBC	O
Alchemy	B-Device
(	O
processor	O
)	O
.	O
</s>
<s>
A	O
second	O
model	O
(	O
)	O
lacking	O
the	O
modem	B-Application
and	O
external	O
antenna	O
port	O
was	O
briefly	O
made	O
available	O
,	O
but	O
then	O
discontinued	O
after	O
the	O
launch	O
of	O
AirPort	O
Express	O
(	O
see	O
below	O
)	O
.	O
</s>
<s>
On	O
April	O
19	O
,	O
2004	O
,	O
a	O
third	O
version	O
,	O
marketed	O
as	O
the	O
AirPort	B-Device
Extreme	I-Device
Base	I-Device
Station	I-Device
(	O
with	O
Power	B-Device
over	I-Device
Ethernet	I-Device
and	O
UL	O
2043	O
)	O
,	O
was	O
introduced	O
that	O
supports	O
Power	B-Device
over	I-Device
Ethernet	I-Device
and	O
complies	O
to	O
the	O
UL	O
2043	O
specifications	O
for	O
safe	O
usage	O
in	O
air	O
handling	O
spaces	O
,	O
such	O
as	O
above	O
suspended	O
ceilings	O
.	O
</s>
<s>
All	O
three	O
models	O
support	O
the	O
Wireless	B-General_Concept
Distribution	I-General_Concept
System	I-General_Concept
(	O
WDS	O
)	O
standard	O
.	O
</s>
<s>
The	O
model	O
introduced	O
in	O
January	O
2007	O
does	O
not	O
have	O
a	O
corresponding	O
PoE	B-Device
,	O
UL-compliant	O
variant	O
.	O
</s>
<s>
An	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
can	O
serve	O
a	O
maximum	O
of	O
50	O
wireless	O
clients	O
simultaneously	O
.	O
</s>
<s>
The	O
AirPort	B-Device
Extreme	I-Device
was	O
updated	O
on	O
January	O
9	O
,	O
2007	O
,	O
to	O
support	O
the	O
802.11n	O
protocol	O
.	O
</s>
<s>
This	O
revision	O
also	O
adds	O
two	O
LAN	B-General_Concept
ports	O
for	O
a	O
total	O
of	O
three	O
.	O
</s>
<s>
It	O
now	O
more	O
closely	O
resembles	O
the	O
square-shaped	O
1st	O
generation	O
Apple	B-Device
TV	I-Device
and	O
Mac	B-Device
Mini	I-Device
,	O
and	O
is	O
about	O
the	O
same	O
size	O
as	O
the	O
mini	O
.	O
</s>
<s>
The	O
new	O
AirPort	O
Disk	O
feature	O
allows	O
users	O
to	O
plug	O
a	O
USB	B-Protocol
hard	O
drive	O
into	O
the	O
AirPort	B-Device
Extreme	I-Device
for	O
use	O
as	O
a	O
network-attached	B-Application
storage	I-Application
(	O
NAS	B-Application
)	O
device	O
for	O
Mac	O
OS	O
X	O
and	O
Microsoft	B-Application
Windows	I-Application
clients	O
.	O
</s>
<s>
Users	O
may	O
also	O
connect	O
a	O
USB	B-Protocol
hub	O
and	O
printer	O
.	O
</s>
<s>
The	O
performance	O
of	O
USB	B-Protocol
hard	O
drives	O
attached	O
to	O
an	O
AirPort	B-Device
Extreme	I-Device
is	O
slower	O
than	O
if	O
the	O
drive	O
were	O
connected	O
directly	O
to	O
a	O
computer	O
.	O
</s>
<s>
This	O
is	O
due	O
to	O
the	O
processor	O
speed	O
on	O
the	O
AirPort	B-Device
extreme	I-Device
.	O
</s>
<s>
The	O
AirPort	B-Device
Extreme	I-Device
has	O
no	O
port	O
for	O
an	O
external	O
antenna	O
.	O
</s>
<s>
On	O
August	O
7	O
,	O
2007	O
,	O
the	O
AirPort	B-Device
Extreme	I-Device
began	O
shipping	O
with	O
Gigabit	O
Ethernet	O
,	O
matching	O
most	O
other	O
Apple	O
products	O
.	O
</s>
<s>
On	O
March	O
19	O
,	O
2008	O
,	O
Apple	O
released	O
a	O
firmware	O
update	O
for	O
both	O
models	O
of	O
the	O
AirPort	B-Device
Extreme	I-Device
to	O
allow	O
AirPort	O
Disks	O
to	O
be	O
used	O
in	O
conjunction	O
with	O
Time	B-Operating_System
Machine	I-Operating_System
,	O
similar	O
to	O
the	O
functionality	O
provided	O
by	O
Time	B-Device
Capsule	I-Device
.	O
</s>
<s>
On	O
March	O
3	O
,	O
2009	O
,	O
Apple	O
unveiled	O
a	O
new	O
AirPort	B-Device
Extreme	I-Device
with	O
simultaneous	O
dual-band	O
802.11	O
Draft-N	O
radios	O
.	O
</s>
<s>
On	O
October	O
20	O
,	O
2009	O
,	O
Apple	O
unveiled	O
an	O
updated	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
with	O
antenna	O
improvements	O
.	O
</s>
<s>
On	O
June	O
21	O
,	O
2011	O
,	O
Apple	O
unveiled	O
an	O
updated	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
,	O
referred	O
to	O
as	O
AirPort	B-Device
Extreme	I-Device
802.11n	I-Device
(	O
5th	O
Generation	O
)	O
.	O
</s>
<s>
The	O
AirPort	O
Express	O
is	O
a	O
simplified	O
and	O
compact	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
.	O
</s>
<s>
The	O
original	O
version	O
(	O
M9470LL/A	O
,	O
model	O
A1084	O
)	O
was	O
introduced	O
by	O
Apple	O
on	O
June	O
7	O
,	O
2004	O
,	O
and	O
includes	O
an	O
analog	B-Protocol
–	I-Protocol
optical	I-Protocol
audio	I-Protocol
mini-jack	I-Protocol
output	I-Protocol
,	O
a	O
USB	B-Protocol
port	I-Protocol
for	O
remote	O
printing	O
or	O
charging	O
the	O
iPod	O
(	O
iPod	O
Shuffle	O
only	O
)	O
,	O
and	O
a	O
single	O
Ethernet	O
port	O
.	O
</s>
<s>
The	O
USB	B-Protocol
port	I-Protocol
cannot	O
be	O
used	O
to	O
connect	O
a	O
hard	O
disk	O
or	O
other	O
storage	O
device	O
.	O
</s>
<s>
The	O
AirPort	O
Express	O
functions	O
as	O
a	O
wireless	B-Device
access	I-Device
point	I-Device
when	O
connected	O
to	O
an	O
Ethernet	O
network	O
.	O
</s>
<s>
It	O
can	O
be	O
used	O
as	O
an	O
Ethernet-to-wireless	B-Protocol
bridge	I-Protocol
under	O
certain	O
wireless	O
configurations	O
.	O
</s>
<s>
In	O
2012	O
,	O
the	O
AirPort	O
Express	O
took	O
on	O
a	O
new	O
shape	O
,	O
similar	O
to	O
that	O
of	O
the	O
second	O
and	O
third	O
generation	O
Apple	B-Device
TV	I-Device
.	O
</s>
<s>
The	O
new	O
product	O
also	O
features	O
two	O
10/100	O
Mbit/s	O
Ethernet	O
LAN	B-General_Concept
ports	O
.	O
</s>
<s>
The	O
AirPort	B-Device
Time	I-Device
Capsule	I-Device
is	O
a	O
version	O
of	O
AirPort	B-Device
Extreme	I-Device
with	O
a	O
built-in	O
hard	O
drive	O
currently	O
coming	O
in	O
either	O
2TB	O
or	O
3TB	O
sizes	O
,	O
with	O
a	O
previous	O
version	O
having	O
1TB	O
or	O
500GB	O
.	O
</s>
<s>
It	O
features	O
a	O
built-in	O
design	O
that	O
,	O
when	O
used	O
with	O
Time	B-Operating_System
Machine	I-Operating_System
in	O
Mac	O
OS	O
X	O
Leopard	O
,	O
automatically	O
makes	O
incremental	O
data	O
backups	O
.	O
</s>
<s>
Acting	O
as	O
a	O
wireless	O
file	O
server	O
,	O
AirPort	B-Device
Time	I-Device
Capsule	I-Device
can	O
serve	O
to	O
back	O
up	O
multiple	O
Macs	B-Device
.	O
</s>
<s>
It	O
also	O
includes	O
all	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11	O
Draft-N	O
)	O
functionality	O
.	O
</s>
<s>
On	O
March	O
3	O
,	O
2009	O
,	O
the	O
Time	B-Device
Capsule	I-Device
was	O
updated	O
with	O
simultaneous	O
dual-band	O
802.11	O
Draft-N	O
capability	O
,	O
remote	O
AirPort	O
Disk	O
accessibility	O
through	O
Back	B-Operating_System
to	I-Operating_System
My	I-Operating_System
Mac	I-Operating_System
,	O
and	O
the	O
ability	O
to	O
broadcast	O
a	O
guest	O
network	O
at	O
the	O
same	O
time	O
as	O
an	O
existing	O
network	O
.	O
</s>
<s>
On	O
October	O
20	O
,	O
2009	O
,	O
Apple	O
unveiled	O
the	O
updated	O
Time	B-Device
Capsule	I-Device
with	O
antenna	O
improvements	O
resulting	O
in	O
wireless	O
performance	O
gains	O
of	O
both	O
speed	O
and	O
range	O
.	O
</s>
<s>
Also	O
stated	O
is	O
a	O
resulting	O
performance	O
improvement/time	O
reduction	O
on	O
Time	B-Device
Capsule	I-Device
backups	O
of	O
up	O
to	O
60%	O
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
Apple	O
unveiled	O
the	O
updated	O
Time	B-Device
Capsule	I-Device
with	O
a	O
higher	O
capacity	O
2	O
TB	O
and	O
3	O
TB	O
.	O
</s>
<s>
They	O
also	O
changed	O
the	O
wireless	B-General_Concept
card	I-General_Concept
from	O
a	O
Marvell	O
chip	O
to	O
a	O
Broadcom	O
BCM4331	O
chip	O
.	O
</s>
<s>
When	O
used	O
in	O
conjunction	O
with	O
the	O
latest	O
2011	O
MacBooks	B-Device
,	O
MacBook	B-Device
Pros	I-Device
,	O
and	O
MacBook	B-Device
Airs	O
(	O
which	O
also	O
use	O
a	O
Broadcom	O
BCM4331	O
wireless	O
chip	O
)	O
,	O
the	O
wireless	O
signal	O
is	O
improved	O
thanks	O
to	O
Broadcom	O
's	O
Frame	O
Bursting	O
technology	O
.	O
</s>
<s>
On	O
June	O
10	O
,	O
2013	O
,	O
Apple	O
renamed	O
the	O
Time	B-Device
Capsule	I-Device
to	O
the	O
AirPort	B-Device
Time	I-Device
Capsule	I-Device
and	O
added	O
support	O
for	O
the	O
802.11ac	O
standard	O
.	O
</s>
<s>
Apple	O
produced	O
numerous	O
wireless	B-General_Concept
card	I-General_Concept
used	O
to	O
connect	O
to	O
wireless	O
networks	O
such	O
as	O
those	O
provided	O
by	O
an	O
AirPort	O
Base	O
Station	O
.	O
</s>
<s>
The	O
original	O
model	O
,	O
known	O
as	O
simply	O
AirPort	O
card	O
,	O
was	O
a	O
re-branded	O
Lucent	O
WaveLAN/Orinoco	O
Gold	O
PC	B-Architecture
card	I-Architecture
,	O
in	O
a	O
modified	O
housing	O
that	O
lacked	O
the	O
integrated	O
antenna	O
.	O
</s>
<s>
It	O
was	O
also	O
modified	O
in	O
such	O
a	O
way	O
that	O
it	O
could	O
not	O
be	O
used	O
in	O
a	O
regular	O
PCMCIA	B-Architecture
slot	O
(	O
at	O
the	O
time	O
it	O
was	O
significantly	O
cheaper	O
than	O
the	O
official	O
WaveLAN/Orinoco	O
Gold	O
card	O
)	O
.	O
</s>
<s>
An	O
AirPort	O
card	O
adapter	O
is	O
required	O
to	O
use	O
this	O
card	O
in	O
the	O
slot-loading	O
iMacs	B-Device
.	O
</s>
<s>
Corresponding	O
with	O
the	O
release	O
of	O
the	O
AirPort	B-Device
Extreme	I-Device
Base	I-Device
Station	I-Device
,	O
the	O
AirPort	B-Device
Extreme	I-Device
card	O
became	O
available	O
as	O
an	O
option	O
on	O
the	O
current	O
models	O
.	O
</s>
<s>
Variants	O
of	O
the	O
user-installable	O
AirPort	B-Device
Extreme	I-Device
card	O
are	O
marked	O
A-1010	O
(	O
early	O
North	O
American	O
spec	O
)	O
,	O
A-1026	O
(	O
current	O
North	O
American	O
spec	O
)	O
,	O
A-1027	O
(	O
Europe/Asia	O
spec	O
(	O
additional	O
channels	O
)	O
)	O
and	O
A-1095	O
(	O
unknown	O
)	O
.	O
</s>
<s>
A	O
different	O
802.11g	O
card	O
was	O
included	O
in	O
the	O
last	O
iteration	O
of	O
the	O
PowerPC-based	O
PowerBooks	B-Device
and	O
iBooks	B-Device
.	O
</s>
<s>
A	O
major	O
distinction	O
for	O
this	O
card	O
was	O
that	O
it	O
was	O
the	O
first	O
"	O
combo	O
"	O
card	O
that	O
included	O
both	O
802.11g	O
as	O
well	O
as	O
Bluetooth	B-Protocol
.	O
</s>
<s>
It	O
was	O
again	O
a	O
custom	O
form	O
factor	O
,	O
but	O
was	O
still	O
electrically	O
a	O
Mini	O
PCI	O
interface	O
for	O
the	O
Broadcom	O
WLAN	B-Architecture
chip	O
.	O
</s>
<s>
A	O
separate	O
USB	B-Protocol
connection	O
was	O
used	O
for	O
the	O
on-board	O
Bluetooth	B-Protocol
chip	O
.	O
</s>
<s>
The	O
AirPort	B-Device
Extreme	I-Device
(	O
802.11g	O
)	O
card	O
was	O
discontinued	O
in	O
January	O
2009	O
.	O
</s>
<s>
As	O
802.11g	O
began	O
to	O
come	O
standard	O
on	O
all	O
notebook	O
models	O
,	O
Apple	O
phased	O
out	O
the	O
user-installable	O
designs	O
in	O
their	O
notebooks	O
,	O
iMacs	B-Device
and	O
Mac	B-Device
Minis	I-Device
by	O
mid-2005	O
,	O
moving	O
to	O
an	O
integrated	O
design	O
.	O
</s>
<s>
AirPort	O
continued	O
to	O
be	O
an	O
option	O
,	O
either	O
installed	O
at	O
purchase	O
or	O
later	O
,	O
on	O
the	O
Power	B-Device
Mac	I-Device
G5	O
and	O
the	O
Mac	O
Pro.With	O
the	O
introduction	O
of	O
the	O
Intel-based	O
MacBook	B-Device
Pro	I-Device
in	O
January	O
2006	O
,	O
Apple	O
began	O
to	O
use	O
a	O
standard	O
PCI	O
Express	O
mini	O
card	O
.	O
</s>
<s>
This	O
distinction	O
is	O
mostly	O
of	O
concern	O
to	O
those	O
who	O
run	O
other	O
operating	O
systems	O
such	O
as	O
Linux	B-Application
on	O
MacBooks	B-Device
,	O
as	O
different	O
cards	O
require	O
different	O
device	B-Application
drivers	I-Application
.	O
</s>
<s>
The	O
MacBook	B-Device
Air	O
Mid	O
2012	O
13	O
"	O
,	O
MacBook	B-Device
Air	O
Mid	O
2011	O
13	O
"	O
and	O
MacBook	B-Device
Air	O
Late	O
2010	O
(	O
11	O
"	O
,	O
A1370	O
and	O
13	O
"	O
,	O
Model	O
A1369	O
)	O
each	O
use	O
a	O
Broadcom	O
BCM	O
943224	O
PCIEBT2	O
Wi-Fi	O
card	O
(	O
main	O
chip	O
BCM43224	O
:	O
2	O
×	O
2	O
2.4GHz	O
and	O
5GHz	O
)	O
.	O
</s>
<s>
The	O
MacBook	B-Device
Pro	I-Device
Retina	O
Mid	O
2012	O
uses	O
Broadcom	O
BCM94331CSAX	O
(	O
main	O
chip	O
BCM4331	O
:	O
3	O
×	O
3	O
2.4GHz	O
and	O
5GHz	O
,	O
up	O
to	O
450Mbit/s	O
)	O
.	O
</s>
<s>
In	O
early	O
2007	O
,	O
Apple	O
announced	O
that	O
most	O
Intel	O
Core	O
2	O
Duo-based	O
Macs	B-Device
,	O
which	O
had	O
been	O
shipping	O
since	O
November	O
2006	O
,	O
already	O
included	O
AirPort	B-Device
Extreme	I-Device
cards	O
compatible	O
with	O
the	O
draft-802.11	O
Draft-N	O
specification	O
.	O
</s>
<s>
Apple	O
also	O
offered	O
an	O
application	O
to	O
enable	O
802.11	O
Draft-N	O
functionality	O
on	O
these	O
Macs	B-Device
for	O
a	O
fee	O
of	O
$1.99	O
,	O
or	O
free	O
with	O
the	O
purchase	O
of	O
an	O
AirPort	B-Device
Extreme	I-Device
base	I-Device
station	I-Device
.	O
</s>
<s>
Starting	O
with	O
Leopard	O
,	O
the	O
Draft-N	O
functionality	O
was	O
quietly	O
enabled	O
on	O
all	O
Macs	B-Device
that	O
had	O
Draft-N	O
cards	O
.	O
</s>
<s>
This	O
card	O
was	O
also	O
a	O
PCI	O
Express	O
mini	O
design	O
,	O
but	O
used	O
three	O
antenna	O
connectors	O
in	O
the	O
notebooks	O
and	O
iMacs	B-Device
,	O
in	O
order	O
to	O
use	O
a	O
2	O
×	O
3	O
MIMO	O
antenna	O
configuration	O
.	O
</s>
<s>
The	O
cards	O
in	O
the	O
Mac	O
Pro	O
and	O
Apple	B-Device
TV	I-Device
have	O
two	O
antenna	O
connectors	O
and	O
support	O
a	O
2	O
×	O
2	O
configuration	O
.	O
</s>
<s>
The	O
Macbook	B-Device
Air	O
Mid	O
2013	O
uses	O
a	O
Broadcom	O
BCM94360CS2	O
(	O
main	O
chip	O
:	O
2	O
×	O
2	O
:	O
2	O
)	O
.	O
</s>
<s>
AirPort	O
and	O
AirPort	B-Device
Extreme	I-Device
support	O
a	O
variety	O
of	O
security	O
technologies	O
to	O
prevent	O
eavesdropping	O
and	O
unauthorized	O
network	O
access	O
,	O
including	O
several	O
forms	O
of	O
cryptography	O
.	O
</s>
<s>
The	O
original	O
graphite	O
AirPort	O
base	O
station	O
used	O
40-bit	O
Wired	B-Protocol
Equivalent	I-Protocol
Privacy	I-Protocol
(	O
WEP	O
)	O
.	O
</s>
<s>
The	O
second-generation	O
model	O
(	O
known	O
as	O
Dual	O
Ethernet	O
or	O
Snow	O
)	O
AirPort	O
base	O
station	O
,	O
like	O
most	O
other	O
Wi-Fi	O
products	O
,	O
used	O
40-bit	O
or	O
128-bit	O
Wired	B-Protocol
Equivalent	I-Protocol
Privacy	I-Protocol
(	O
WEP	O
)	O
.	O
</s>
<s>
AirPort	B-Device
Extreme	I-Device
and	O
Express	O
base	B-Device
stations	I-Device
retain	O
this	O
option	O
,	O
but	O
also	O
allow	O
and	O
encourage	O
the	O
use	O
of	O
Wi-Fi	O
Protected	O
Access	O
(	O
WPA	O
)	O
and	O
,	O
as	O
of	O
July	O
14	O
,	O
2005	O
,	O
WPA2	O
.	O
</s>
<s>
AirPort	B-Device
Extreme	I-Device
cards	O
,	O
which	O
use	O
the	O
Broadcom	O
chipset	O
,	O
have	O
the	O
Media	B-Protocol
Access	I-Protocol
Control	I-Protocol
layer	O
in	O
software	O
.	O
</s>
<s>
The	O
driver	O
is	O
closed	B-Application
source	I-Application
.	O
</s>
<s>
The	O
AirPort	O
Disk	O
feature	O
shares	O
a	O
hard	O
disk	O
connected	O
to	O
an	O
AirPort	B-Device
Extreme	I-Device
or	O
Time	B-Device
Capsule	I-Device
(	O
though	O
not	O
AirPort	O
Express	O
)	O
,	O
as	O
a	O
small-scale	O
NAS	B-Application
.	O
</s>
<s>
AirPort	O
Disk	O
can	O
be	O
accessed	O
from	O
Windows	O
and	O
Linux	B-Application
as	O
well	O
as	O
Mac	O
OS	O
X	O
using	O
the	O
SMB/CIFS	O
protocol	O
for	O
FAT	O
volumes	O
,	O
and	O
both	O
SMB/CIFS	O
and	O
AFP	O
for	O
HFS+	O
partitions	O
.	O
</s>
<s>
Recent	O
firmware	O
versions	O
cause	O
the	O
internal	O
disk	O
and	O
any	O
external	O
USB	B-Protocol
drives	O
to	O
sleep	O
after	O
periods	O
of	O
time	O
as	O
short	O
as	O
2	O
minutes	O
.	O
</s>
<s>
This	O
is	O
also	O
true	O
of	O
a	O
Time	B-Device
Capsule	I-Device
setup	O
for	O
use	O
as	O
a	O
network-based	O
Time	B-Operating_System
Machine	I-Operating_System
Backup	O
location	O
,	O
its	O
main	O
purpose	O
and	O
default	O
configuration	O
.	O
</s>
<s>
The	O
AirPort	B-Device
Extreme	I-Device
or	O
Time	B-Device
Capsule	I-Device
will	O
recognize	O
multiple	O
disks	O
connected	O
via	O
a	O
USB	B-Protocol
hub	O
.	O
</s>
