[Yaaarc] Antenna confusion

[Erik Kauppi]

L-Com, at
http://www.l-com.com/productcenter.aspx?id=8

Has a wide variety of cables etc.  We've had them make up special
items for us as well, they're very helpful and pretty reasonable cost.

If you google on a connector type you'll also find lots of vendors,
since so many folks are doing, um, creative things with wifi gear.

------

On 6/7/07, Rick Green <rtg at aapsc.com> wrote:
> On Thu, 7 Jun 2007, Neal Probert wrote:
>
> > There seems to be a plethora of antenna connectors out there, so can somebody
> > enlighten me on these antenna types, when and where they are used?
> >
> >       N, SMA, RPSMA, MC-Card, RP-TNC
> >
> > Anybody know of a good source for antennas and adapters?  I need a bunch of
> > Type-N to SMA adapters already.
> >
> > Btw, I've found a nice combined GPS/WiFi antenna at www.wi-sys.com
> >
>   You shulda' posted this query a few weeks ago.  The Dayton Hamvention was
> the place to shop for all that stuff!
>
> All consumer unlicensed radios are certified as a system, with their
> attached antennas.  End-users aren't *supposed* to be swapping them for
> higher-gain ones, inserting amplifiers, etc  I'm surprised that the FCC
> hasn't cracked down on the big-box stores that are selling stuff that's
> supposed to be prohibited.
>    For this reason, antenna connectors are required to be generally
> unavailable to the consumer.  This has led to the invention of 'reverse
> polarity' versions of the SMA and TNC especially, where the female center
> pin is mounted in what is normally a male shell, and vice-versa.  I've
> discovered that various manufacturers also vary in the way they create the
> RP connectors, so they aren't all compatible.
> Type N connectors are generally used for longe runs of 1/2 inch or larger
> diameter cable.  I find that when the device has an SMA connector, I would
> rather use a short pigtail of RG/174 (~1/8") cable to adapt to the N
> connector, than a direct back-to-back SMA - N 'tweeney'.
>    There's another ham swap in Monroe on June 14th.  I'll be happy to keep
> my eyes open for RP-SMA <-> N tweeneys or pigtails for you.
>
> --
> Rick Green
>
> "Those who would give up essential Liberty, to purchase a little
> temporary Safety, deserve neither Liberty nor Safety."
>                                    -Benjamin Franklin
>
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-- 
--- Erik Kauppi --- ekauppi at corsa-inst.com ---