Re: Internal RF Adapter for Almost Any Remote

["Robert Green" <ROBERT_GREEN1963@xxxxxxxxx>]

Thanks, Dave

That's not what I expected but it makes sense.

--
Bobby G.

"Dave Houston" <nobody@xxxxxxxxxxxx> wrote in message
news:42b05f79.8944337@xxxxxxxxxxxxxxxx
> I've not bought one but I can tell you a bit about how it works.
>
> It's 418MHz so it's only useful with its target or other RF2IR devices,
> nearly all of which use 418MHz in N. America.
>
> It senses the carrier bursts as RF.
>
> It will not work in some devices - mostly those with LCD screens. The
> screens tend to put out RF noise that swamps this little thingy.
>
> Single chip RF transceivers have been incredibly small for some time.
Search
> for Chipcon and look at the datasheets.
>
> X-10 uses 310MHz RF so it is of no use for X-10.
>
> The 8-in-1 remote sends only modulated IR when in IR mode. It sends RF and
> _UNMODULATED_ IR when in RF mode. Unmodulated IR has very short range and
> will not be detected properly by receivers designed for modulated IR. Most
> consumer IR receivers are designed for modulated IR with a carrier in the
> 32-40kHz range.
>
> Your camera is seeing the unmodulated IR because its close to the
wavelength
> of visible light.
>