In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units ...

If there's one piece of tech that's a universal hit with all ages, it's Walkie-Talkies. Kids love them as interactive toys, especially for their outdoor survival games and indoor spy missions.

Xiaomi's new sports walkie-talkie, priced at 399 yuan, supports 5000km communication, noise reduction, -30°C battery, group features, and 24-hour use.

Xiaomi launches the 35g Public Network Walkie-Talkie Mini with 4G, 25-hour use, IP54 rating, 1-year free data, quick team setup, and an intro price of 179 yuan ($24).