[OpenTRV-interest] Question from Steve R

[Steve Rogerson]

On 22/11/15 14:48, Stuart Poulton wrote:

> If you’ve got power close the radiator then great, you can be more creative, and even have a finer degree of control. 
> 
> However all currently available solutions are battery powered, with battery life being typically around a year. The RF power budget is actually quite small compared to the power needed to move the valve.


What is/are the RF protocols of choice then - and what batteries? My instinct
was that batteries wouldn't last long enough to be practical.

Steve