<s>
The	O
N	B-Protocol
connector	I-Protocol
(	O
also	O
,	O
type-N	O
connector	O
)	O
is	O
a	O
threaded	O
,	O
weatherproof	O
,	O
medium-size	O
RF	B-Protocol
connector	I-Protocol
used	O
to	O
join	O
coaxial	O
cables	O
.	O
</s>
<s>
The	O
peak	O
power	O
rating	O
of	O
an	O
N	B-Protocol
connector	I-Protocol
is	O
determined	O
by	O
voltage	O
breakdown/ionisation	O
of	O
the	O
air	O
near	O
the	O
center	O
pin	O
.	O
</s>
<s>
The	O
N	B-Protocol
connector	I-Protocol
follows	O
MIL-STD-348	O
,	O
a	O
standard	O
defined	O
by	O
the	O
US	O
military	O
,	O
and	O
comes	O
in	O
50	O
and	O
75ohm	O
versions	O
.	O
</s>
<s>
Unfortunately	O
,	O
many	O
type	B-Protocol
N	I-Protocol
connectors	I-Protocol
are	O
not	O
labeled	O
,	O
and	O
it	O
can	O
be	O
difficult	O
to	O
prevent	O
this	O
situation	O
in	O
a	O
mixed	O
impedance	O
environment	O
.	O
</s>
<s>
The	O
50ohm	O
type	B-Protocol
N	I-Protocol
connector	I-Protocol
is	O
favored	O
in	O
microwave	O
applications	O
and	O
microwave	O
instrumentation	O
,	O
such	O
as	O
spectrum	O
analyzers	O
.	O
</s>
<s>
50Ω	O
N	B-Protocol
connectors	I-Protocol
are	O
also	O
commonly	O
used	O
on	O
amateur	O
radio	O
devices	O
(	O
e.g.	O
,	O
transceivers	O
)	O
operating	O
in	O
UHF	O
bands	O
.	O
</s>
<s>
SnapN	O
was	O
originally	O
designed	O
by	O
Rosenberger	O
Hochfrequenztechnik	O
in	O
2006	O
and	O
is	O
a	O
quick	O
locking	O
replacement	O
for	O
the	O
threaded	O
interface	O
of	O
the	O
widely	O
applied	O
Type	B-Protocol
N	I-Protocol
connector	I-Protocol
.	O
</s>
<s>
Though	O
part	O
of	O
the	O
Quick	O
Lock	O
Formula	O
Alliance	O
(	O
QLF	O
)	O
,	O
engineers	O
at	O
Rosenberger	O
independently	O
designed	O
the	O
SnapN	O
in	O
order	O
to	O
correct	O
the	O
performance	O
problems	O
of	O
QLF	O
’s	O
version	O
of	O
the	O
quick	O
lock	O
N	B-Protocol
connector	I-Protocol
,	O
QN	O
.	O
</s>
<s>
Type	B-Protocol
N	I-Protocol
connectors	I-Protocol
find	O
wide	O
use	O
in	O
many	O
lower	O
frequency	O
microwave	O
systems	O
,	O
where	O
ruggedness	O
and/or	O
low	O
cost	O
are	O
needed	O
.	O
</s>
