<s>
A	O
wireless	B-Device
router	I-Device
is	O
a	O
device	O
that	O
performs	O
the	O
functions	O
of	O
a	O
router	B-Protocol
and	O
also	O
includes	O
the	O
functions	O
of	O
a	O
wireless	B-Device
access	I-Device
point	I-Device
.	O
</s>
<s>
It	O
is	O
used	O
to	O
provide	O
access	O
to	O
the	O
Internet	O
or	O
a	O
private	B-Protocol
computer	I-Protocol
network	I-Protocol
.	O
</s>
<s>
Depending	O
on	O
the	O
manufacturer	O
and	O
model	O
,	O
it	O
can	O
function	O
in	O
a	O
wired	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
,	O
in	O
a	O
wireless-only	B-Architecture
LAN	I-Architecture
,	O
or	O
in	O
a	O
mixed	O
wired	O
and	O
wireless	O
network	O
.	O
</s>
<s>
Wireless	B-Device
routers	I-Device
typically	O
feature	O
one	O
or	O
more	O
network	B-Protocol
interface	I-Protocol
controllers	I-Protocol
supporting	O
Fast	B-Protocol
Ethernet	I-Protocol
or	O
Gigabit	O
Ethernet	O
ports	O
integrated	O
into	O
the	O
main	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
around	O
which	O
the	O
router	B-Protocol
is	O
built	O
.	O
</s>
<s>
An	O
Ethernet	B-Protocol
switch	I-Protocol
as	O
described	O
in	O
IEEE	O
802.1Q	O
may	O
interconnect	O
multiple	O
ports	O
.	O
</s>
<s>
Some	O
routers	B-Protocol
implement	O
link	B-Architecture
aggregation	I-Architecture
through	O
which	O
two	O
or	O
more	O
ports	O
may	O
be	O
used	O
together	O
improving	O
throughput	O
and	O
redundancy	O
.	O
</s>
<s>
All	O
wireless	B-Device
routers	I-Device
feature	O
one	O
or	O
more	O
wireless	B-General_Concept
network	I-General_Concept
interface	I-General_Concept
controllers	I-General_Concept
.	O
</s>
<s>
Some	O
dual-band	O
wireless	B-Device
routers	I-Device
operate	O
the	O
2.4GHz	O
and	O
5GHz	O
bands	O
simultaneously	O
.	O
</s>
<s>
Wireless	O
controllers	O
support	O
a	O
part	O
of	O
the	O
IEEE	O
802.11-standard	O
family	O
and	O
many	O
dual-band	O
wireless	B-Device
routers	I-Device
have	O
data	O
transfer	O
rates	O
exceeding	O
300Mbit/s	O
(	O
For	O
2.4GHz	O
band	O
)	O
and	O
450Mbit/s	O
(	O
For	O
5GHz	O
band	O
)	O
.	O
</s>
<s>
Some	O
wireless	B-Device
routers	I-Device
provide	O
multiple	O
streams	O
allowing	O
multiples	O
of	O
data	O
transfer	O
rates	O
(	O
e.g.	O
</s>
<s>
a	O
three-stream	O
wireless	B-Device
router	I-Device
allows	O
transfers	O
of	O
up	O
to	O
1.3Gbit/s	O
on	O
the	O
5GHz	O
bands	O
)	O
.	O
</s>
<s>
Some	O
wireless	B-Device
routers	I-Device
have	O
one	O
or	O
two	O
USB	O
ports	O
.	O
</s>
<s>
These	O
can	O
be	O
used	O
to	O
connect	O
printer	O
or	O
desktop	O
or	O
mobile	O
external	O
hard	O
disk	O
drive	O
to	O
be	O
used	O
as	O
a	O
shared	B-General_Concept
resource	I-General_Concept
on	O
the	O
network	O
.	O
</s>
<s>
A	O
USB	O
port	O
may	O
also	O
be	O
used	O
for	O
connecting	O
mobile	B-Device
broadband	I-Device
modem	I-Device
,	O
aside	O
from	O
connecting	O
the	O
wireless	B-Device
router	I-Device
to	O
an	O
Ethernet	O
with	O
xDSL	O
or	O
cable	O
modem	O
.	O
</s>
<s>
A	O
mobile	O
broadband	O
USB	O
adapter	O
can	O
be	O
connected	O
to	O
the	O
router	B-Protocol
to	O
share	O
the	O
mobile	O
broadband	O
Internet	O
connection	O
through	O
the	O
wireless	O
network	O
.	O
</s>
<s>
Some	O
wireless	B-Device
routers	I-Device
come	O
with	O
either	O
xDSL	O
modem	O
,	O
DOCSIS	B-Protocol
modem	O
,	O
LTE	O
modem	O
,	O
or	O
fiber	B-Architecture
optic	I-Architecture
modem	O
integrated	O
.	O
</s>
<s>
The	O
Wi-Fi	O
clone	O
button	O
simplifies	O
Wi-Fi	O
configuration	O
and	O
builds	O
a	O
seamless	O
unified	O
home	O
network	O
,	O
enabling	O
Super	O
Range	O
Extension	O
,	O
which	O
means	O
it	O
can	O
automatically	O
copy	O
the	O
SSID	O
and	O
Password	O
of	O
your	O
router	B-Protocol
.	O
</s>
<s>
The	O
most	O
common	O
operating	O
system	O
on	O
such	O
embedded	O
devices	O
is	O
Linux	B-Application
.	O
</s>
<s>
Less	O
frequently	O
,	O
VxWorks	B-Operating_System
is	O
used	O
.	O
</s>
<s>
The	O
devices	O
are	O
configured	O
over	O
a	O
web	O
user	O
interface	O
served	O
by	O
a	O
light	O
web	B-Protocol
server	I-Protocol
software	I-Protocol
running	O
on	O
the	O
device	O
.	O
</s>
<s>
It	O
is	O
possible	O
for	O
a	O
computer	O
running	O
a	O
desktop	O
operating	O
system	O
with	O
appropriate	O
software	O
to	O
act	O
as	O
a	O
wireless	B-Device
router	I-Device
.	O
</s>
<s>
In	O
2003	O
,	O
Linksys	O
was	O
forced	O
to	O
open-source	O
the	O
firmware	B-Application
of	O
its	O
WRT54G	B-Application
router	B-Protocol
series	O
(	O
the	O
best-selling	O
routers	B-Protocol
of	O
all	O
time	O
)	O
after	O
people	O
on	O
the	O
Linux	B-Application
kernel	I-Application
mailing	I-Application
list	I-Application
discovered	O
that	O
it	O
used	O
GPL	B-License
Linux	B-Application
code	O
.	O
</s>
<s>
In	O
2008	O
,	O
Cisco	O
was	O
sued	O
in	O
Free	B-Application
Software	I-Application
Foundation	I-Application
,	I-Application
Inc	I-Application
.	I-Application
v	I-Application
.	I-Application
Cisco	I-Application
Systems	I-Application
,	I-Application
Inc	I-Application
due	O
to	O
similar	O
issues	O
with	O
Linksys	O
routers	B-Protocol
.	O
</s>
<s>
Since	O
then	O
,	O
various	B-Application
open-source	I-Application
projects	I-Application
have	O
built	O
on	O
this	O
foundation	O
,	O
including	O
OpenWrt	B-Application
,	O
DD-WRT	B-Protocol
,	O
and	O
Tomato	B-Protocol
.	O
</s>
<s>
In	O
2016	O
,	O
various	O
manufacturers	O
changed	O
their	O
firmware	B-Application
to	O
block	O
custom	O
installations	O
after	O
an	O
FCC	O
ruling	O
.	O
</s>
<s>
However	O
,	O
some	O
companies	O
plan	O
to	O
continue	O
to	O
officially	O
support	O
open-source	O
firmware	B-Application
,	O
including	O
Linksys	O
and	O
Asus	O
.	O
</s>
