Zigbee range and how to improve

[Hedda]

Offtopic + depends if it is a CC2652P based “ZBDongle-P” or a EFR32MG21 based "ZBDongle-E so they use different firmware, but the Zigbee solution used supports the same firmware for them, see:

ITead's "Sonoff Zigbee 3.0 USB Dongle Plus" (model "ZBDongle-P") based on Texas Instruments CC2652P +20dBm radio SoC/MCU

UPDATED! The announced TI CC2652P based “Sonoff Zigbee 3.0 USB Dongle Plus” from ITead, later renamed to “ZBDongle-P”, has been released and looks to be great value for a premium hardware package sold for a low price. It is based on Texas Instruments CC2652P radio chip and this “ZBDongle-P” variant is to be sold side-by-side as an alternative to their new “ZBDongle-E” variant that is instead based on Silicon Labs EFR32MG21 radio SoC chip, and while both practically have the same specifications o…

ITead’s “Sonoff Zigbee 3.0 USB Dongle Plus V2” (model "ZBDongle-E") based on Silicon Labs EFR32MG21 +20dBm radio SoC/MCU

FYI, ITead just released a new “ZBDongle-E” adapter as an improved version of their old/previous barebone Silabs EFR32MG21 based Zigbee 3.0 USB adapter from ITead and this new variant is to be sold side-by-side as an alternative to ITead’s TI CC2652P based “Sonoff Zigbee 3.0 USB Dongle Plus” (which is now renamed to “ZBDongle-P”), meaning they will continuously sell both variants and while both type of radio SoC chips practically have the same specifications on paper, they use different Zigbee s…