Use APKPure App
Get Walkie-talkie old version APK for Android
Walkie-talkie radio a real working over Wi-Fi
Communicate through this radio within range of Wi-Fi. Enter your name in the settings, select a channel and talk!
For the application, connect the two (or more) phone that is running a single router. Availability of Internet router is not required.
Added features:
Voice modification
Echo canceler
Automatic gain control
Noise suppressor