On Mon, 2014-08-04 at 08:55 +0100, emcq-jrcr@dea.spamcon.org wrote:
> Phil Keller wrote:
>=20
> >=20
> >    MicroPower FM Station:
> > Something like this:
> > http://www.pcs-electronics.com/cyber-micro-1w3w-transmitter-package-p-2=
88.html
> >    Cons -
>=20
> Low power regulations.
> Open to deliberate jamming by undesirables.
>=20
> >    Speaker transmitter & receiver
> > Something like this:
> > http://nyrius.com/product/5_8GHz_6_Channel_Wireless_Audio_Video_Sender_=
NY_GS3200.eng-10.html
>  >    Cons -
>=20
> Note directional aerials.
> I have tried 5.8GHz for video in my house and could not get noise-free=20
> signal over about 20 feet (through wooden floor and plasterboard walls.
>=20
> Other ideas:-
>   leaky coax system (under carpets etc)
>   l-o-n-g (inductive) loop round whole site - as used in theatres/churche=
s?

What about bluetooth speakers?

I have a few and their range matches what the op needs.

My local electronics store sells them for around $50 a piece.

TTYL

--=20
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