Lowpower listening on 433Mhz while consuming 1.2uA. Range about 100m, reaction time about 800ms-1.5s. The node on the right sends data/awakes the node on the left upon button press, consumes 300nA in standby. Using RFM69 transceivers with Atmega328 and @LowPowerLab 's library
More details under scope: the receiver wakes for ~250us every second, consuming 19mA and goes back to sleep. It listens for a wakeup burst, and if it catches one, wakes the MCU.
Plugging the numbers into a battery life calculator (2AA batteries):
