On Thu, Aug 4, 2016 at 3:06 PM, David VanHorn <microbrix@gmail.com> wrote:

> > Any clues on how to get better distance?  I'm looking for 433Mhz
> > amplifiers, but they're a bit pricey.  I'm short on time, so hoping to
> > find a ready-made solution (if an amp is necessary), rather than having
> > to build one.
> >
> > Cheers,
> > -Neil.
>

Would you consider different radio tech? LoRa will cover your distances
easily

http://www.semtech.com/apps/product.php?pn=3DSX1276

There are even modules that claim to work as uarts, but I haven't tried the=
m

http://www.aliexpress.com/wholesale?SearchText=3Dsx1276+passthrough+uart
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