It should be pretty easy to do using a micro and RN2483, MultiTech mDot or similar, just put it into a deep sleep with a wakeup on interrupt, i.e. the button press.
Andrew
It should be pretty easy to do using a micro and RN2483, MultiTech mDot or similar, just put it into a deep sleep with a wakeup on interrupt, i.e. the button press.
Andrew