An interesting idea.  I had not considered MicroChip for an RF=20
solution.  Looks like I have some reading to do.
   Thanks,
-Phil-

On 8/26/2013 3:21 PM, IVP wrote:
>>    Suggestions/advice are appreciated.
> I've used the rfPIC12F675K (434MHz) a few times
>
> http://ww1.microchip.com/downloads/en/devicedoc/70091a.pdf
>
> All were samples, which is pretty low cost !!!
>
> http://www.microchipdirect.com/ProductDetails.aspx?Category=3DrfPIC12F675=
F
>
> Part of the exercise was to compare aerials. I found a Splatch
> compared well with a straight 1/4 wave, and line-of-sight range
> is around 250m (600ft)
>
> https://www.linxtechnologies.com/en/products/antennas/sp
>
> I have an application which has a whole house between transmitter
> and receiver, no problem. Range is ~ 40m
>
> Joe
>

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