<s>
The	O
mobile	B-Device
daughter	I-Device
card	I-Device
,	O
also	O
known	O
as	O
an	O
MDC	O
or	O
CDC	O
(	O
communications	B-Device
daughter	I-Device
card	I-Device
)	O
,	O
is	O
a	O
notebook	O
version	O
of	O
the	O
AMR	O
slot	O
on	O
the	O
motherboard	B-Device
of	O
a	O
desktop	B-Device
computer	I-Device
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
interface	O
with	O
special	O
Ethernet	O
(	O
EDC	O
)	O
,	O
modem	B-Application
(	O
MDC	O
)	O
or	O
bluetooth	B-Protocol
(	O
BDC	O
)	O
cards	O
.	O
</s>
<s>
In	O
1999	O
,	O
Intel	O
published	O
a	O
specification	O
for	O
mobile	O
audio/modem	O
daughter	O
cards	O
.	O
</s>
