Zigbee range and how to improve

  1. The firmware is the same for ZHA or z2m, but as @Hedda notes, there are two different versions of the Sonoff stick with different FW files and flash methods. Do you have the “P” or “E” version?

  2. Preference. I generally like z2m better overall. My take on it is here: ZHA Vs Zigbee2Mqtt - #3 by jerrm