and RETAIL Range up to 350,000 sq. ft. or 30 floors indoors, 4 Watts of power, 16 pre-programmed channels to communicate with separate work groups 89 UHF business-exclusive frequencies and 121 ...
Mostly because of range, power usage and convenience with no SSIDs and passwords to bother with. The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor magazine) ESP-NOW is ...