3 ms·

It may be an option if using (super)capacitors and only transmitting / receiving for a short fraction of time. https://hackaday.io/project/28527-solved-esp8266

• Kelbit 9y ago
  Do make sure to check the leakage specs on a supercap, though. They tend to have pretty high leakage current, which may clobber your power budget in low duty cycle applications.
• fest 9y ago
  I stand corrected. By combining that with low-leakage wakeup timer ICs and low-leakage supercap, one could indeed design a device that runs for months on a single coin cell (transmitting every few hours).