<s>
The	O
KL-43	B-General_Concept
is	O
a	O
portable	O
,	O
electronic	O
cipher	B-Application
device	O
used	O
by	O
the	O
United	O
States	O
and	O
the	O
NATO	O
from	O
the	O
early	O
1980s	O
.	O
</s>
<s>
The	O
machine	O
,	O
manufactured	O
by	O
TRW	O
,	O
is	O
an	O
adaptation	O
of	O
language	O
translator	O
technology	O
,	O
and	O
includes	O
a	O
keyboard	O
for	O
input	O
and	O
an	O
LCD	B-Device
for	O
output	O
.	O
</s>
<s>
It	O
also	O
contains	O
a	O
built-in	O
modem	B-Application
,	O
a	O
telephone	B-Device
coupler	I-Device
,	O
and	O
the	O
facility	O
for	O
connecting	O
to	O
a	O
printer	O
.	O
</s>
<s>
A	O
version	O
of	O
the	O
KL-43	B-General_Concept
was	O
famously	O
used	O
by	O
Oliver	O
North	O
to	O
communicate	O
with	O
his	O
assistant	O
,	O
Fawn	O
Hall	O
,	O
and	O
others	O
while	O
managing	O
clandestine	O
operations	O
in	O
Nicaragua	O
in	O
support	O
of	O
the	O
"	O
Contra	O
"	O
rebels	O
.	O
</s>
<s>
There	O
are	O
a	O
number	O
of	O
variations	O
of	O
the	O
KL-43	B-General_Concept
,	O
including	O
the	O
following	O
:	O
</s>
