Do you know how walkie-talkies can achieve long-distance communication❓

How did he do it❓

1️⃣ Traditional walkie-talkie
Relies on "radio frequency" to communicate
Usually the distance is only ❷-❺km, limited by terrain (such as: mountains, buildings)

2️⃣ Public network walkie-talkie (hot selling model)
✅Card-insertion type + built-in SIM card, connected to the network
✅No longer rely on distance, but on signal

3️⃣ Strong battery life, clear voice, free options are also available
Suitable for: security, construction sites, logistics, bus fleets, tour groups, and even mountaineering/events

In what scenarios do you often need walkie-talkies? 📪Tell me the model that suits you~