<s>
Vodafone	B-Device
Mobile	I-Device
Connect	I-Device
USB	I-Device
Modem	I-Device
branded	O
as	O
Vodem	O
is	O
a	O
product	O
of	O
Vodafone	O
that	O
connects	O
to	O
the	O
broadband	O
internet	O
.	O
</s>
<s>
It	O
is	O
connected	O
to	O
the	O
computer	O
via	O
USB	B-Protocol
which	O
makes	O
the	O
product	O
usable	O
to	O
virtually	O
any	O
computer	O
,	O
desktop	O
or	O
laptop	O
.	O
</s>
<s>
Huawei	B-Device
E220	I-Device
,	O
K3806	O
and	O
K3772H	O
Vodem	O
sticks	O
are	O
manufactured	O
by	O
Huawei	O
for	O
Vodafone	O
.	O
</s>
<s>
Using	O
this	O
USB	B-Device
modem	I-Device
,	O
customers	O
are	O
able	O
to	O
access	O
3G	B-Architecture
broadband	O
services	O
,	O
from	O
many	O
types	O
of	O
computer	O
.	O
</s>
<s>
The	O
software	O
self	B-Application
installs	I-Application
from	O
the	O
modem	B-Application
,	O
reducing	O
the	O
need	O
for	O
technical	O
expertise	O
from	O
users	O
.	O
</s>
<s>
If	O
this	O
modem	B-Application
is	O
to	O
be	O
used	O
on	O
Windows	O
Vista	O
,	O
it	O
must	O
first	O
be	O
updated	O
to	O
the	O
on	O
a	O
Windows	O
XP	O
system	O
,	O
as	O
the	O
modem	B-Application
does	O
not	O
function	O
on	O
Windows	O
Vista	O
with	O
the	O
default	O
firmware	B-Application
.	O
</s>
<s>
Using	O
HSDPA	O
technology	O
,	O
it	O
offers	O
download	O
speeds	O
of	O
up	O
to	O
3.6	O
Mbit/s	O
and	O
upload	O
speeds	O
of	O
up	O
to	O
384	O
kbit/s	O
,	O
which	O
depends	O
on	O
Vodafone	O
's	O
network	O
on	O
each	O
of	O
the	O
countries	O
offering	O
3G	B-Architecture
services	O
.	O
</s>
<s>
There	O
are	O
however	O
commercial	O
solutions	O
available	O
to	O
increase	O
signal	O
strength	O
by	O
attaching	O
external	O
antennas	O
to	O
the	O
Huawei	B-Device
E220	I-Device
.	O
</s>
<s>
When	O
outside	O
of	O
3G	B-Architecture
broadband	O
coverage	O
,	O
customers	O
will	O
automatically	O
be	O
able	O
to	O
access	O
the	O
web	O
using	O
Vodafone	O
's	O
existing	O
GPRS	B-General_Concept
services	O
.	O
</s>
<s>
The	O
original	O
Huawei	B-Device
E220	I-Device
supports	O
up	O
to	O
3.6	O
Mbit/s	O
,	O
and	O
can	O
connect	O
up	O
to	O
7.2	O
Mbit/s	O
with	O
a	O
firmware	B-Application
upgrade	O
.	O
</s>
