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 ...

I’ve used several of the walkie talkies in the field while testing optics, doing road trip caravans, and kayak fishing with friends. That gave me a good sense of their capabilities, mounting options, ...

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 ...